An organized section of a full season review with standings, team totals, leaderboards, player registers and much more.
A list of all players with at least one appearance in this league. Players may appear multiple times in one league if they played on more than one team.
| Danielin Acevedo | Vancouver | P | A+ | 6-3 | 170 | R | R | 4/2/1983 | 21 | Monte Cristi,Dominican Republic | 2001 | UDFA | | OAK | |
| John Acha | Salem-Kaizer | 3B | A- | 6-0 | 200 | R | R | 6/3/1981 | 23 | Bakersfield,California | 2004 | 25 | 760 | SF | |
| Trino Aguilar | Eugene | 2B | A+ | 5-10 | 170 | R | R | 7/27/1983 | 20 | Guarico,Venezuela | 2001 | UDFA | | PHI | |
| Rodrigo Aguirre | Yakima | SS | AAA | 5-9 | 165 | L | R | 8/1/1983 | 20 | Hermosillo,Mexico | 2002 | UDFA | | ARI | |
| Chris Alexander | Spokane | 1B | A- | 6-5 | 225 | R | R | 9/17/1980 | 23 | Springfield,New Mexico | 2003 | 15 | 436 | TEX | |
| Sandy Almonte | Tri-City | IF | A+ | 5-11 | 150 | B | R | 11/16/1982 | 21 | Puerto Plata,Dominican Republic | 2000 | UDFA | | COL | |
| Kevin Altman | Spokane | P | A+ | 6-2 | 160 | R | R | 12/24/1984 | 19 | Panama Canal Zone,Panama | 2003 | 16 | 466 | TEX | |
| Charlie Babineaux | Salem-Kaizer | OF | A- | 6-4 | 215 | R | R | 5/16/1981 | 23 | New Iberia,Louisiana | 2004 | 28 | 850 | SF | |
| Lizahio Baez | Spokane | OF | A | 6-2 | 190 | B | R | 11/2/1983 | 20 | San Cristobal,Dominican Republic | 2001 | UDFA | | TEX | |
| Jasha Balcom | Boise | OF | A | 5-10 | 175 | L | R | 7/7/1982 | 21 | Hazelhurst,Georgia | 2003 | 33 | 973 | CHC | |
| Ryan Baldwin | Spokane | C | A- | 5-9 | 180 | R | R | 11/23/1980 | 23 | Tulsa,Oklahoma | 2003 | UDFA | | TEX | |
| John Bannister | Spokane | P | AAA | 6-4 | 180 | R | R | 1/20/1984 | 20 | Tucson,Arizona | 2002 | UDFA | | TEX | |
| Danny Barnett | Vancouver | P | A- | 6-0 | 190 | R | R | 1/22/1983 | 21 | Salt Lake City,Utah | 2002 | 29 | 878 | OAK | |
| Zach Basch | Vancouver | P | A- | 6-3 | 185 | R | R | 6/22/1981 | 23 | Sylvania,Ohio | 2003 | 13 | 384 | BOS | |
| Josh Beauregard | Vancouver | OF | A- | 6-0 | 195 | L | L | 3/7/1981 | 23 | Keene,New Hampshire | 2003 | UDFA | | OAK | |
| Scott Beerer | Tri-City | RF | AAA | 6-1 | 200 | R | R | 7/4/1982 | 21 | Anaheim,California | 2003 | 2 | 47 | COL | |
| Cibney Bello | Everett | P | A+ | 6-5 | 180 | L | R | 9/10/1982 | 21 | Vargas,Venezuela | 2000 | UDFA | | SEA | |
| Kendall Bergdall | Everett | P | A | 6-3 | 190 | R | L | 11/26/1982 | 21 | Layhoma,Oklahoma | 2002 | 5 | 160 | SEA | |
| Oscar Bernard | Boise | C | A | 6-2 | 215 | R | R | 6/27/1983 | 21 | San Pedro de Macoris,Dominican Republic | 2001 | UDFA | | CHC | |
| Ivan Blanco | Everett | P | A+ | 6-1 | 190 | R | R | 9/24/1983 | 20 | Caracas,Venezuela | 2000 | UDFA | | SEA | |
| Nick Blasi | Vancouver | OF | AAA | 5-9 | 185 | R | R | 9/23/1981 | 22 | Wichita,Kansas | 2004 | 12 | 367 | OAK | |
| Jerry Blevins | Boise | P | MLB | 6-6 | 185 | L | L | 9/6/1983 | 20 | Johnson City,Tennessee | 2004 | 17 | 516 | CHC | |
| Brandon Boggs | Spokane | RF | MLB | 6-0 | 190 | B | R | 1/9/1983 | 21 | Marietta,Georgia | 2004 | 4 | 111 | TEX | |
| Kyle Bone | Salem-Kaizer | C | A+ | 6-1 | 195 | R | R | 6/30/1980 | 24 | Hollywood,Florida | 2004 | UDFA | | SF | |
| John Bowker | Salem-Kaizer | LF | MLB | 6-2 | 190 | L | L | 7/8/1983 | 20 | Sacramento,California | 2004 | 3 | 100 | SF | |
| Kyle Boyer | Boise | OF | A+ | 6-1 | 199 | R | R | 11/23/1981 | 22 | Cedar Rapids,Iowa | 2003 | 7 | 193 | CHC | |
| Dallas Braden | Vancouver | P | MLB | 6-1 | 185 | L | L | 8/13/1983 | 20 | Phoenix,Arizona | 2004 | 24 | 727 | OAK | |
| Clint Brannon | Spokane | P | A+ | 5-11 | 205 | L | L | 12/24/1982 | 21 | Searcy,Arkansas | 2004 | 34 | 1011 | TEX | |
| Adam Bright | Tri-City | P | AA | 6-0 | 180 | L | L | 8/11/1984 | 19 | Melbourne,Australia | 2002 | UDFA | | COL | |
| Luis Brito | Boise | P | A | 6-3 | 180 | R | R | 10/19/1983 | 20 | Monagas,Venezuela | 2001 | UDFA | | CHC | |
| Garrett Broshuis | Salem-Kaizer | P | AAA | 6-2 | 188 | R | R | 12/18/1981 | 22 | Cape Girardeau,Missouri | 2004 | 5 | 160 | SF | |
| Ty Bubalo | Vancouver | C | A- | 6-3 | 205 | R | R | 8/8/1983 | 20 | Portland,Oregon | 2002 | 26 | 788 | OAK | |
| Todd Buchanan | Yakima | 1B | A- | 6-2 | 215 | L | L | 9/16/1980 | 23 | Roswell,Georgia | 2003 | 13 | 396 | ARI | |
| Chris Buechner | Tri-City | P | A | 6-3 | 235 | R | R | 8/23/1983 | 20 | Orange,Texas | 2004 | 11 | 320 | COL | |
| Josh Buhagiar | Yakima | OF | A | 6-1 | 180 | L | L | 2/23/1981 | 23 | Richmond,California | 2004 | 32 | 956 | ARI | |
| Jarrad Burcie | Spokane | P | AA | 6-1 | 215 | R | R | 5/17/1982 | 22 | Fort Worth,Texas | 2004 | 16 | 471 | TEX | |
| Brandon Burgess | Yakima | OF | AA | 6-3 | 210 | B | R | 2/24/1983 | 21 | Santa Rosa,California | 2004 | 6 | 176 | ARI | |
| Brian Burks | Eugene | P | A- | 5-9 | 176 | R | R | 5/29/1981 | 23 | Alpharetta,Georgia | 2004 | 25 | 732 | SD | |
| Brett Burnham | Eugene | SS | A- | 5-10 | 190 | R | R | 1/1/1981 | 23 | Manchester,Connecticut | 2003 | 21 | 611 | SD | |
| Matt Bush | Eugene | P | AA | 5-11 | 170 | R | R | 2/8/1986 | 18 | San Diego,California | 2004 | 1 | 1 | SD | |
| Tomas Cabaniel | Vancouver | P | AA | 6-1 | 160 | R | R | 2/10/1983 | 21 | Caracas,Venezuela | 2000 | UDFA | | OAK | |
| Asdrubal Cabrera | Everett | SS | MLB | 6-0 | 185 | B | R | 11/13/1985 | 18 | Puerto La Cruz,Venezuela | 2002 | UDFA | | SEA | |
| Edward Campusano | Boise | P | AA | 6-4 | 210 | L | L | 7/14/1982 | 21 | San Pedro de Macoris,Dominican Republic | 2001 | UDFA | | CHC | |
| Joe Carque | Yakima | P | AAA | 6-2 | 185 | R | R | 5/20/1981 | 23 | Las Vegas,Nevada | 2003 | 20 | 606 | ARI | |
| Brian Carter | Boise | P | A- | 6-5 | 218 | L | L | 11/21/1981 | 22 | Huntington,New York | 2003 | 19 | 553 | CHC | |
| Chris Carter | Yakima | LF-RF | MLB | 6-0 | 225 | L | L | 9/16/1982 | 21 | Fremont,California | 2004 | 17 | 506 | ARI | |
| Steven-Ryder Carter | Vancouver | P | A- | 6-2 | 215 | R | R | 6/9/1980 | 24 | Windsor,Ontario | 2004 | 26 | 787 | OAK | |
| Brandon Cashman | Spokane | OF | A+ | 5-10 | 190 | R | R | 10/31/1979 | 24 | Eagan,Minnesota | 2003 | UDFA | | TEX | |
| Robinson Cespedes | Eugene | OF | A | 6-0 | 155 | R | R | 7/30/1982 | 21 | Palmarejo,Venezuela | 1998 | UDFA | | HOU | |
| Yung Chen | Everett | 3B | AAA | 5-11 | 172 | R | R | 7/13/1983 | 20 | Taitoa,Taiwan | 2004 | UDFA | | SEA | |
| Chad Clark | Yakima | P | A- | 6-6 | 220 | R | R | 7/30/1980 | 23 | Glendora,California | 2003 | 21 | 636 | ARI | |
| J.D. Cockroft | Spokane | P | A- | 6-2 | 205 | L | L | 7/11/1982 | 21 | Palo Alto,California | 2004 | 26 | 771 | TEX | |
| Henry Colbert | Eugene | P | A- | 6-3 | 180 | R | R | 12/10/1981 | 22 | Sunnyside,Washington | 2001 | 27 | 806 | HOU | |
| Nick Conte | Salem-Kaizer | C | A | 5-10 | 175 | R | R | 1/25/1982 | 22 | Fort Knox,Kentucky | 2003 | 13 | 393 | SF | |
| Casey Craig | Everett | OF | AA | 5-10 | 185 | L | R | 1/12/1985 | 19 | San Diego,California | 2003 | 21 | 626 | SEA | |
| Elvis Cruz | Everett | OF | A | 6-3 | 180 | R | R | 11/23/1983 | 20 | Santo Domingo,Dominican Republic | 2001 | UDFA | | SEA | |
| Phil Cullen | Everett | P | A | 6-9 | 215 | R | R | 12/2/1979 | 24 | Sunnyside,Washington | 2000 | 32 | 956 | SEA | |
| Lach Dale | Eugene | 3B | A | 6-3 | 190 | R | R | 6/22/1983 | 21 | Perth,Australia | 2001 | UDFA | | SD | |
| James Darby | Eugene | P | A- | 6-3 | 180 | R | R | 1/5/1984 | 20 | Camden,Australia | 2001 | UDFA | | SD | |
| Lance Dawkins | Boise | SS | A- | 6-3 | 190 | R | R | 1/31/1982 | 22 | Columbus,Mississippi | 2003 | 20 | 583 | CHC | |
| Danny De la O | Eugene | P | A | 6-0 | 185 | L | L | 8/25/1983 | 20 | Fresno,California | 2002 | 30 | 895 | SD | |
| Erik Dean | Tri-City | IF | A+ | 6-0 | 190 | L | R | 2/7/1982 | 22 | Santa Clara,California | 2001 | 34 | 1015 | KC | |
| Robert Deeb | Boise | 2B | A- | 5-10 | 170 | R | R | 1/22/1982 | 22 | West St. Paul,Minnesota | 2004 | UDFA | | CHC | |
| Steven Delabar | Eugene | P | MLB | 6-4 | 220 | R | R | 7/17/1983 | 20 | Fort Knox,Kentucky | 2003 | 29 | 851 | SD | |
| Thomas Diamond | Spokane | P | MLB | 6-3 | 230 | R | R | 4/6/1983 | 21 | Metairie,Louisiana | 2004 | 1 | 10 | TEX | |
| Orlando Diaz | Eugene | SS | A- | 6-2 | 195 | R | R | 2/14/1982 | 22 | Chicago,Illinois | 2004 | 27 | 792 | SD | |
| Darin Downs | Boise | P | MLB | 6-3 | 176 | R | L | 12/26/1984 | 19 | Southfield,Michigan | 2003 | 5 | 133 | CHC | |
| Scot Drucker | Vancouver | P | AAA | 6-1 | 192 | R | R | 5/30/1982 | 22 | Miami,Florida | 2004 | 13 | 397 | OAK | |
| Stephan Edsall | Tri-City | P | A- | 6-4 | 205 | R | R | 10/19/1981 | 22 | Vero Beach,Florida | 2004 | 22 | 650 | COL | |
| Mike Ekstrom | Eugene | P | MLB | 6-0 | 185 | R | R | 8/30/1983 | 20 | Portland,Oregon | 2004 | 12 | 342 | SD | |
| Jonathan Ellis | Eugene | P | AAA | 6-0 | 190 | R | R | 10/3/1982 | 21 | Charleston,South Carolina | 2004 | 6 | 162 | SD | |
| Josh Ellison | Everett | OF | AAA | 5-10 | 200 | R | R | 7/24/1983 | 20 | West Palm Beach,Florida | 2001 | 11 | 339 | SEA | |
| Rielly Embrey | Eugene | 1B | A- | 6-2 | 200 | L | R | 8/31/1981 | 22 | Escondido,California | 2004 | 23 | 672 | SD | |
| Leonardo Espinal | Vancouver | P | A+ | 6-3 | 200 | R | R | 2/6/1984 | 20 | San Jose,Dominican Republic | 2003 | UDFA | | OAK | |
| Willy Espinal | Spokane | P | A- | 6-1 | 160 | R | R | 12/8/1982 | 21 | Villa Mella,Dominican Republic | 1999 | UDFA | | TEX | |
| Geno Espineli | Salem-Kaizer | P | MLB | 6-4 | 195 | L | L | 9/8/1982 | 21 | Houston,Texas | 2004 | 14 | 430 | SF | |
| Tom Everidge | Vancouver | 1B | MLB | 6-1 | 215 | R | R | 4/20/1983 | 21 | Glen Ellen,California | 2004 | 10 | 307 | OAK | |
| Omar Falcon | Everett | C | AA | 6-0 | 190 | R | R | 9/1/1982 | 21 | Oklahoma City,Oklahoma | 2000 | 3 | 79 | SD | |
| Kenneth Falconer | Everett | P | A- | 6-6 | 205 | L | R | 9/27/1982 | 21 | Lethbridge,Alberta | 2003 | 24 | 716 | SEA | |
| Jim Fasano | Spokane | OF | AA | 6-6 | 240 | L | R | 6/20/1983 | 21 | Horsham,Pennsylvania | 2004 | 9 | 261 | TEX | |
| Maximo Felix | Salem-Kaizer | C | A+ | 6-0 | 190 | R | R | 11/9/1982 | 21 | Santo Domingo,Dominican Republic | 2001 | UDFA | | SF | |
| Will Fenton | Boise | P | A | 6-2 | 205 | R | R | 4/7/1983 | 21 | Bellevue,Washington | 2004 | 21 | 636 | CHC | |
| Alfredo Fernandez | Eugene | P | AAA | 6-4 | 200 | R | R | 9/15/1984 | 19 | Maracaibo,Venezuela | 2001 | UDFA | | SD | |
| Yorkin Ferreras | Boise | P | AA | 6-1 | 180 | L | L | 1/28/1981 | 23 | Jaragua,Dominican Republic | 1998 | UDFA | | CHC | |
| Victor Figuereo | Spokane | P | A+ | 6-0 | 160 | R | R | 12/24/1984 | 19 | Las Matas de Farfan,Dominican Republic | 2000 | UDFA | | TEX | |
| Baudilio Figueroa | Eugene | SS | A | 6-2 | 160 | B | R | 6/28/1983 | 21 | Monte Cristi,Dominican Republic | 2001 | UDFA | | SD | |
| Chad Fillinger | Everett | P | AA | 6-4 | 210 | R | R | 10/26/1982 | 21 | Petaluma,California | 2004 | 16 | 483 | SEA | |
| Sam Fischer | Boise | P | A | 6-0 | 180 | R | R | 9/20/1982 | 21 | Oak Lawn,Illinois | 2002 | 22 | 671 | HOU | |
| Buddy Flores | Everett | P | AA | 6-4 | 165 | R | R | 5/19/1984 | 20 | El Paso,Texas | 2003 | 12 | 356 | SEA | |
| Terry Forbes | Everett | P | A- | 6-3 | 200 | L | R | 6/27/1984 | 20 | Halifax,Nova Scotia | 2002 | 9 | 280 | SEA | |
| Ryan Ford | Vancouver | P | A+ | 6-3 | 180 | L | L | 7/10/1982 | 21 | Rochester,Michigan | 2004 | 15 | 457 | OAK | |
| Alfredo Francisco | Boise | 3B | A | 6-3 | 180 | R | R | 8/27/1984 | 19 | San Pedro de Macoris,Dominican Republic | 2002 | UDFA | | CHC | |
| Kevin Frandsen | Salem-Kaizer | 2B-3B | MLB | 6-0 | 175 | R | R | 5/24/1982 | 22 | Los Gatos,California | 2004 | 12 | 370 | SF | |
| Brian Fryer | Eugene | OF | AAA | 6-1 | 190 | R | R | 8/16/1982 | 21 | Grants,New Mexico | 2004 | 20 | 582 | SD | |
| J.P. Gagne | Tri-City | P | A | 6-1 | 205 | R | R | 10/27/1980 | 23 | Eden Prairie,Minnesota | 2003 | 14 | 407 | COL | |
| Gary Gallegos | Eugene | P | A- | 6-4 | 210 | L | L | 3/29/1982 | 22 | Riverside,California | 2004 | 21 | 612 | SD | |
| Ernesto Garay | Eugene | OF | A | 6-1 | 160 | L | L | 2/17/1982 | 22 | Managua,Nicaragua | 2001 | UDFA | | SD | |
| Adam Gardner | Salem-Kaizer | P | A+ | 6-0 | 195 | L | L | 2/14/1982 | 22 | New Haven,Connecticut | 2004 | UDFA | | SF | |
| Garett Gentry | Tri-City | C | A | 5-10 | 210 | L | R | 6/27/1981 | 23 | Apple Valley,California | 1999 | 13 | 413 | HOU | |
| Stephen Ghutzman | Tri-City | C | A- | 6-0 | 210 | B | R | 12/2/1980 | 23 | Spring,Texas | 1999 | 22 | 683 | HOU | |
| Carlos Gonzalez | Yakima | LF | MLB | 6-1 | 170 | L | L | 10/17/1985 | 18 | Maracaibo,Venezuela | 2002 | UDFA | | ARI | |
| Anthony Granato | Boise | 2B | A+ | 6-0 | 200 | B | R | 3/18/1981 | 23 | Toronto,Ontario | 2004 | UDFA | | CHC | |
| Brandon Green | Everett | SS | A | 6-0 | 195 | B | R | 8/12/1981 | 22 | Joplin,Missouri | 2004 | 19 | 573 | SEA | |
| Craig Green | Boise | P | A+ | 6-2 | 200 | R | R | 11/8/1981 | 22 | Bakersfield,California | 2003 | 22 | 643 | CHC | |
| David Gresky | Boise | OF | A- | 6-3 | 210 | L | L | 6/8/1982 | 22 | Berea,Ohio | 2003 | 39 | 1153 | CHC | |
| Preston Griffin | Boise | 3B | A- | 5-11 | 185 | R | R | 11/6/1981 | 22 | Long Beach,California | 2004 | UDFA | | CHC | |
| Kris Gross | Boise | P | A+ | 6-2 | 185 | R | R | 12/28/1980 | 23 | Hays,Kansas | 1999 | 43 | 1294 | CHW | |
| Brad Groth | Salem-Kaizer | SS | A- | | 185 | R | R | 7/14/1982 | 21 | Lake Forest,Illinois | 2004 | 23 | 700 | SF | |
| Jarrett Grube | Tri-City | P | AAA | 6-4 | 220 | R | R | 11/5/1981 | 22 | Fort Wayne,Indiana | 2004 | 10 | 290 | COL | |
| Rick Guarno | Tri-City | C | AAA | 6-0 | 185 | R | R | 8/16/1982 | 21 | Syracuse,New York | 2003 | 4 | 107 | COL | |
| Alex Guerra | Spokane | 3B | A- | 6-1 | 170 | B | R | 1/22/1983 | 21 | Maturin,Venezuela | 2000 | UDFA | | TEX | |
| Hipolito Guerrero | Yakima | P | A+ | 6-0 | 149 | L | L | 6/13/1983 | 21 | Santo Domingo,Dominican Republic | 2000 | UDFA | | ARI | |
| Luke Hagerty | Boise | P | A+ | 6-7 | 230 | R | L | 4/1/1981 | 23 | Steubenville,Ohio | 2002 | 1 | 32 | CHC | |
| Dustin Hahn | Tri-City | 2B | A+ | 6-1 | 195 | L | R | 10/12/1982 | 21 | Elk Grove,California | 2004 | 9 | 260 | COL | |
| Kyle Haines | Salem-Kaizer | SS | AA | 6-1 | 170 | B | R | 7/28/1982 | 21 | Olney,Illinois | 2004 | 31 | 940 | SF | |
| Vance Hall | Everett | P | A- | 6-2 | 210 | L | L | 11/24/1983 | 20 | Pittsburgh,Pennsylvania | 2002 | 28 | 850 | SEA | |
| Clayton Hamilton | Eugene | P | AAA | 6-5 | 200 | R | R | 6/15/1982 | 22 | Beaver,Pennsylvania | 2004 | 17 | 492 | SD | |
| David Harriman | Vancouver | C | A+ | 6-0 | 200 | R | R | 10/15/1980 | 23 | Richmond,British Columbia | 2002 | 17 | 518 | OAK | |
| Ben Harrison | Spokane | OF | AAA | 6-4 | 220 | R | R | 9/18/1981 | 22 | Milton,Florida | 2004 | 7 | 201 | TEX | |
| Ryan Harvey | Boise | OF | AA | 6-5 | 192 | R | R | 8/30/1984 | 19 | Clearwater,Florida | 2003 | 1 | 6 | CHC | |
| Justin Hedrick | Salem-Kaizer | P | AA | 6-3 | 225 | R | R | 6/8/1982 | 22 | Omaha,Nebraska | 2004 | 6 | 190 | SF | |
| Trevor Heid | Everett | OF | A+ | 6-3 | 210 | R | R | 4/30/1982 | 22 | St. George,Utah | 2003 | 39 | 1166 | SEA | |
| Trey Hendricks | Yakima | 3B | A | 6-4 | 210 | B | R | 8/8/1982 | 21 | Houston,Texas | 2004 | 24 | 716 | ARI | |
| Javier Herrera | Vancouver | OF | AAA | 5-10 | 160 | R | R | 4/9/1985 | 19 | Caracas,Venezuela | 2001 | UDFA | | OAK | |
| Marcos Herrera | Spokane | P | A+ | 6-5 | 160 | R | R | 2/24/1982 | 22 | Santo Domingo,Dominican Republic | 2000 | UDFA | | TEX | |
| Billy Hogan | Eugene | SS | A | 6-3 | 200 | R | R | 5/20/1983 | 21 | Dallas,Texas | 2003 | 5 | 131 | SD | |
| Brian Horwitz | Salem-Kaizer | OF | MLB | 6-2 | 180 | R | R | 11/7/1982 | 21 | Santa Monica,California | 2003 | 26 | 782 | OAK | |
| Chris Howay | Vancouver | P | A- | 6-3 | 210 | R | R | 8/17/1979 | 24 | New Westminster,British Columbia | 1997 | 50 | 1423 | LAD | |
| Marshall Hubbard | Everett | 1B | AAA | 6-2 | 215 | L | R | 4/16/1982 | 22 | Richmond,Virginia | 2004 | 8 | 243 | SEA | |
| Tug Hulett | Spokane | 3B | MLB | 5-10 | 175 | L | R | 2/28/1983 | 21 | Springfield,Illinois | 2004 | 14 | 411 | TEX | |
| Jon Hunton | Boise | P | AAA | 6-9 | 230 | R | R | 11/30/1982 | 21 | Plainfield,New Jersey | 2004 | 11 | 336 | CHC | |
| Eric Hurley | Spokane | P | MLB | 6-4 | 195 | R | R | 9/17/1985 | 18 | Jacksonville,Florida | 2004 | 1 | 30 | TEX | |
| Jesse Ingram | Spokane | P-IF | AA | 6-1 | 200 | R | R | 4/21/1982 | 22 | Lafayette,California | 2004 | 36 | 1071 | TEX | |
| Mark Ion | Tri-City | P | A | 6-2 | 220 | R | R | 1/8/1981 | 23 | Vancouver,British Columbia | 2003 | 15 | 437 | COL | |
| Steven Jackson | Yakima | P | MLB | 6-5 | 215 | R | R | 3/15/1982 | 22 | Eutawville,South Carolina | 2004 | 10 | 296 | ARI | |
| Brock Jacobsen | Spokane | OF | A | 6-2 | 195 | B | R | 12/31/1979 | 24 | Provo,Utah | 2002 | 44 | 1329 | STL | |
| Todd Jennings | Salem-Kaizer | C | AAA | 6-0 | 190 | R | R | 12/10/1981 | 22 | Orangevale,California | 2003 | 2 | 55 | SF | |
| Aaron Jensen | Everett | P | AA | 6-2 | 195 | R | R | 6/11/1984 | 20 | Payson,Utah | 2003 | 19 | 566 | SEA | |
| Kevin Jenson | Salem-Kaizer | P | A- | 6-4 | 215 | R | R | 4/7/1981 | 23 | Sacramento,California | 2004 | 30 | 910 | SF | |
| Clayton Jerome | Spokane | P | A- | 6-2 | 190 | R | R | 2/15/1982 | 22 | Dallas,Texas | 2004 | 41 | 1221 | TEX | |
| Brent Johnson | Everett | OF | AAA | 6-2 | 185 | R | R | 5/21/1982 | 22 | Las Vegas,Nevada | 2004 | 14 | 423 | SEA | |
| Craig Johnson | Eugene | OF | A+ | 6-1 | 185 | L | L | 4/11/1982 | 22 | Sacramento,California | 2004 | 19 | 552 | SD | |
| Rob Johnson | Everett | C | MLB | 6-0 | 195 | R | R | 7/22/1982 | 21 | Aneconda,Montana | 2004 | 4 | 123 | SEA | |
| Nick Jones | Boise | OF | A+ | 6-1 | 185 | R | R | 3/29/1982 | 22 | Roanoke,Virginia | 2003 | 11 | 313 | CHC | |
| Ryan Kalita | Boise | P | A | 6-2 | 210 | R | R | 2/2/1981 | 23 | Oak Park,Illinois | 2003 | 17 | 493 | CHC | |
| Sean Kazmar | Eugene | SS | MLB | 5-9 | 160 | R | R | 8/5/1984 | 19 | Las Vegas,Nevada | 2004 | 5 | 132 | SD | |
| Chris Kemlo | Yakima | P | A+ | 6-5 | 200 | R | R | 9/23/1983 | 20 | Oshawa,Ontario | 2001 | 34 | 1025 | NYY | |
| Reuben Kerbs | Yakima | P | A+ | 6-2 | 185 | L | L | 10/19/1980 | 23 | Dodge City,Kansas | 2003 | 16 | 486 | ARI | |
| Brandon Kintzler | Eugene | P | MLB | 6-1 | 180 | R | R | 8/1/1984 | 19 | Las Vegas,Nevada | 2004 | 40 | 1182 | SD | |
| Simon Klink | Salem-Kaizer | 3B | AA | 6-1 | 215 | B | R | 12/21/1981 | 22 | Fort Wayne,Indiana | 2004 | 21 | 640 | SF | |
| Koley Kolberg | Yakima | P | A | 6-1 | 176 | R | R | 11/26/1982 | 21 | Dallas,Texas | 2004 | 7 | 206 | ARI | |
| Chris Kolkhorst | Eugene | OF | A+ | 5-9 | 180 | L | R | 3/7/1982 | 22 | Houston,Texas | 2004 | 10 | 282 | SD | |
| Joe Koshansky | Tri-City | 1B | MLB | 6-4 | 225 | L | L | 5/26/1982 | 22 | Shreveport,Louisiana | 2004 | 6 | 170 | COL | |
| Jason Kosow | Boise | P | A- | 6-3 | 200 | R | R | 8/22/1982 | 21 | Mount Kisco,New York | 2004 | 27 | 816 | CHC | |
| Aaron Krawiec | Boise | P | AA | 6-6 | 210 | L | L | 3/17/1979 | 25 | Buffalo,New York | 2000 | 3 | 73 | CHC | |
| Adam Kroft | Eugene | P | A- | 6-5 | 230 | R | R | 12/30/1981 | 22 | Ballston Lakes,New York | 2004 | 30 | 882 | SD | |
| Mike Kunes | Salem-Kaizer | P | A- | 6-2 | 210 | L | L | 9/16/1981 | 22 | Glendale,California | 2003 | 23 | 693 | SF | |
| Yoon-Min Kweon | Boise | C | AA | 6-2 | 210 | R | R | 1/22/1979 | 25 | Inchon,Korea | 1999 | UDFA | | CHC | |
| Bryan Lahair | Everett | 1B-RF | MLB | 6-5 | 215 | L | R | 11/5/1982 | 21 | Worcester,Massachusetts | 2002 | 39 | 1180 | SEA | |
| B.J. Lange | Yakima | OF | A- | 5-11 | 180 | B | R | 2/24/1983 | 21 | Riverdale,Georgia | 2004 | UDFA | | ARI | |
| Bobby Lenoir | Spokane | 2B | A+ | 6-0 | 185 | R | R | 7/12/1982 | 21 | Wilmington,Delaware | 2004 | 21 | 621 | TEX | |
| Justin Lensch | Spokane | P | A- | 6-2 | 220 | L | L | 2/10/1982 | 22 | Omaha,Nebraska | 2004 | 37 | 1101 | TEX | |
| Myron Leslie | Vancouver | 1B | AA | 6-3 | 210 | B | R | 5/2/1982 | 22 | Panama City,Florida | 2004 | 8 | 247 | OAK | |
| Jered Liebeck | Yakima | P | A+ | 6-1 | 200 | R | R | 1/27/1981 | 23 | Mission Viejo,California | 1999 | 45 | 1336 | ARI | |
| Efren Lira | Tri-City | P | A | 6-3 | 240 | R | R | 8/5/1981 | 22 | Los Angeles,California | 2000 | 36 | 1090 | ATL | |
| Jose Lobaton | Eugene | C | MLB | 6-1 | 200 | B | R | 10/21/1984 | 19 | Portuguesa,Venezuela | 2002 | UDFA | | SD | |
| Billy Lockin | Yakima | SS | A | 5-8 | 155 | R | R | 11/27/1982 | 21 | Tarzana,California | 2004 | 37 | 1106 | ARI | |
| Jon Lockwood | Everett | P | A+ | 6-2 | 210 | R | R | 12/12/1981 | 22 | Toronto,Ontario | 2003 | UDFA | | SEA | |
| Wesley Long | Vancouver | SS | A | 5-11 | 200 | R | R | 6/12/1982 | 22 | Auburn,Alabama | 2004 | 29 | 877 | OAK | |
| Mauber Lopez | Eugene | C | AAA | 5-10 | 170 | R | R | 6/30/1981 | 23 | San Pablo,Venezuela | 2000 | UDFA | | PHI | |
| Mark Lowe | Everett | P | MLB | 6-4 | 180 | R | R | 6/7/1983 | 21 | Houston,Texas | 2004 | 5 | 153 | SEA | |
| John Lujan | Spokane | P | AAA | 6-1 | 200 | R | R | 5/10/1984 | 20 | Waco,Texas | 2004 | 15 | 441 | TEX | |
| Doug Mackay | Salem-Kaizer | P | A | 6-1 | 205 | R | R | 3/29/1983 | 21 | Salt Lake City,Utah | 2004 | 22 | 670 | SF | |
| Matt Macri | Tri-City | 3B-2B | MLB | 6-2 | 200 | R | R | 5/29/1982 | 22 | Des Moines,Iowa | 2004 | 5 | 140 | COL | |
| Kevin Mahar | Spokane | OF | MLB | 6-5 | 220 | R | R | 6/8/1981 | 23 | Pontiac,Michigan | 2004 | UDFA | | TEX | |
| Uriak Marquez | Boise | 2B | A+ | 6-0 | 170 | B | R | 8/17/1983 | 20 | Puerto La Cruz,Venezuela | 2001 | UDFA | | CHC | |
| Roman Martinez | Everett | P | AA | 6-3 | 160 | R | R | 8/9/1984 | 19 | Puerto Plata,Dominican Republic | 2001 | UDFA | | SEA | |
| Shawn Martinez | Vancouver | P | A | 6-3 | 240 | R | R | 3/7/1982 | 22 | Collins,Mississippi | 2004 | 23 | 697 | OAK | |
| Eddy Martinez-Estevez | Salem-Kaizer | 1B | AAA | 6-2 | 215 | R | R | 7/14/1983 | 20 | Miami,Florida | 2004 | 2 | 70 | SF | |
| Michael Mask | Spokane | OF | A+ | 5-9 | 180 | L | L | 6/24/1981 | 23 | Sarasota,Florida | 2004 | 32 | 951 | TEX | |
| J.R. Mathes | Boise | P | AAA | 6-3 | 205 | L | L | 11/9/1981 | 22 | Granger,Indiana | 2004 | 16 | 486 | CHC | |
| Mike McGirr | Vancouver | P | A | 6-0 | 185 | R | R | 3/9/1981 | 23 | Cambridge,Massachusetts | 2003 | 8 | 242 | OAK | |
| Mark McRoberts | Eugene | C | A+ | 6-2 | 195 | R | R | 1/15/1982 | 22 | La Mesa,California | 2000 | 14 | 415 | PHI | |
| Anderson Mejia | Boise | P | A+ | 6-2 | 170 | R | R | 6/15/1982 | 22 | Hato Mayor del Rey,Dominican Republic | 1999 | UDFA | | CHC | |
| Cristobal Melendez | Yakima | OF | A- | 6-2 | 185 | R | R | 11/9/1980 | 23 | Arroyo,Puerto Rico | 2003 | 39 | 1176 | ARI | |
| Kevin Melillo | Vancouver | LF | MLB | 6-0 | 190 | L | R | 5/14/1982 | 22 | Orlando,Florida | 2004 | 5 | 157 | OAK | |
| Steve Mena | Yakima | 3B-SS | A+ | 6-4 | 200 | R | R | 1/24/1985 | 19 | Miami,Florida | 2002 | 21 | 618 | KC | |
| Orlando Mercado | Yakima | C | AAA | 5-10 | 185 | R | R | 3/13/1985 | 19 | Arecibo,Puerto Rico | 2003 | 6 | 186 | ARI | |
| Travis Metcalf | Spokane | 3B | MLB | 6-3 | 200 | R | R | 8/17/1982 | 21 | Manhattan,Kansas | 2004 | 11 | 321 | TEX | |
| Jim Miller | Tri-City | P | MLB | 6-1 | 200 | R | R | 4/28/1982 | 22 | North Fort Myers,Florida | 2004 | 8 | 230 | COL | |
| Matt Miller | Tri-City | RF | AAA | 6-2 | 210 | R | R | 12/26/1982 | 21 | New Braunfels,Texas | 2004 | 13 | 380 | COL | |
| Matt Minor | Salem-Kaizer | P | A | 6-0 | 180 | R | R | 9/20/1982 | 21 | Miami,Florida | 2004 | 47 | 1413 | SF | |
| Garrett Mock | Yakima | P | MLB | 6-4 | 215 | R | R | 4/25/1983 | 21 | Houston,Texas | 2004 | 3 | 86 | ARI | |
| Lou Montanez | Boise | RF | MLB | 6-2 | 185 | R | R | 12/15/1981 | 22 | Bayamon,Puerto Rico | 2000 | 1 | 3 | CHC | |
| Mike Mooney | Salem-Kaizer | OF | AAA | 6-1 | 205 | R | R | 6/8/1983 | 21 | San Francisco,California | 2003 | 16 | 483 | SF | |
| Ruben Mora | Eugene | OF | A | 6-0 | 170 | B | R | 1/11/1982 | 22 | Sabanitas,Panama | 2000 | UDFA | | SD | |
| Anthony Moreno | Salem-Kaizer | P | AA | 6-1 | 190 | R | R | 5/4/1984 | 20 | Tempe,Arizona | 2002 | 39 | 1177 | SF | |
| Juan Morillo | Tri-City | P | MLB | 6-1 | 160 | R | R | 11/5/1983 | 20 | San Pedro de Macoris,Dominican Republic | 2001 | UDFA | | COL | |
| Colt Morton | Eugene | C | MLB | 6-5 | 225 | R | R | 4/10/1982 | 22 | Fort Lauderdale,Florida | 2003 | 3 | 71 | SD | |
| Oswaldo Navarro | Everett | SS-3B | MLB | 6-0 | 150 | B | R | 10/2/1984 | 19 | Maracay,Venezuela | 2001 | UDFA | | SEA | |
| Mike Nickeas | Spokane | C | MLB | 6-0 | 205 | R | R | 2/13/1983 | 21 | Vancouver,British Columbia | 2004 | 5 | 141 | TEX | |
| Ryan Norwood | Boise | 1B | A+ | 6-4 | 220 | R | L | 2/18/1983 | 21 | Richmond,Virginia | 2004 | 9 | 276 | CHC | |
| Shawn Nottingham | Everett | P | AAA | 6-0 | 180 | L | L | 1/22/1985 | 19 | Canton,Ohio | 2003 | 13 | 386 | SEA | |
| Wally Novosel | Yakima | P | A | 6-1 | 200 | L | L | 6/16/1981 | 23 | Youngstown,Ohio | 2003 | 22 | 666 | ARI | |
| Florentino Nunez | Tri-City | OF | A | 6-0 | 160 | B | R | 3/23/1984 | 20 | Santo Domingo,Dominican Republic | 2001 | UDFA | | COL | |
| David O'Hagan | Eugene | P | A- | 6-1 | 200 | R | R | 6/5/1982 | 22 | Bronxville,New York | 2004 | 9 | 252 | SD | |
| John Odom | Salem-Kaizer | P | A | 6-2 | 185 | R | R | 1/6/1982 | 22 | Atlanta,Georgia | 2003 | 44 | 1317 | SF | |
| Alexi Ogando | Vancouver | P | MLB | 6-4 | 160 | R | R | 10/5/1983 | 20 | San Pedro de Macoris,Dominican Republic | 2002 | UDFA | | OAK | |
| Ross Ohlendorf | Yakima | P | MLB | 6-4 | 235 | R | R | 8/8/1982 | 21 | Austin,Texas | 2004 | 4 | 116 | ARI | |
| Miguel Olivo | Everett | C | MLB | 6-0 | 180 | R | R | 7/15/1978 | 25 | Villa Vasquez,Dominican Republic | 1996 | UDFA | | OAK | |
| Pedro Ozoria | Everett | 3B | A- | 6-3 | 160 | R | R | 2/22/1984 | 20 | San Pedro de Macoris,Dominican Republic | 2001 | UDFA | | SEA | |
| Rene Pablos | Boise | P | AAA | 5-10 | 176 | L | L | 5/10/1982 | 22 | Guadalajara,Mexico | 2001 | 41 | 1224 | KC | |
| Jeff Palumbo | Salem-Kaizer | SS | A- | 5-9 | 165 | B | R | 3/6/1982 | 22 | Cheverly,Maryland | 2004 | 15 | 460 | SF | |
| Adalberto Paulino | Salem-Kaizer | OF | A | 5-11 | 150 | R | R | 9/6/1982 | 21 | Nizao,Dominican Republic | 2000 | UDFA | | SF | |
| Nathan Pendley | Salem-Kaizer | P | A+ | 6-4 | 220 | L | L | 9/5/1981 | 22 | Albany,Oregon | 2004 | 19 | 580 | SF | |
| Leo Perez | Boise | C | A+ | 6-2 | 170 | R | R | 1/3/1984 | 20 | Monte Plata,Dominican Republic | 2002 | UDFA | | CHC | |
| Josh Perrault | Yakima | P | AAA | 6-3 | 205 | R | R | 6/11/1982 | 22 | Salt Lake City,Utah | 2001 | 42 | 1259 | FLA | |
| Brandon Perry | Everett | P | AA | 6-1 | 180 | L | L | 9/27/1984 | 19 | Burlington,North Carolina | 2002 | 8 | 250 | SEA | |
| Gregorio Petit | Vancouver | SS | MLB | 5-10 | 160 | R | R | 12/10/1984 | 19 | Ocumare,Venezuela | 2001 | UDFA | | OAK | |
| Shawn Phillips | Spokane | P | A | 6-2 | 195 | R | R | 12/19/1982 | 21 | Salisbury,Maryland | 2004 | 20 | 591 | TEX | |
| Dan Pohlman | Yakima | C-P | A+ | 6-2 | 212 | R | R | 1/1/1982 | 22 | Barrington,Illinois | 2004 | 15 | 446 | ARI | |
| Aldwin Polimar | Yakima | C | A- | 6-2 | 190 | R | R | 6/15/1982 | 22 | Santo Domingo,Dominican Republic | 2000 | UDFA | | ARI | |
| William Ponce | Eugene | P | A- | 6-1 | 190 | R | R | 9/9/1984 | 19 | San Salvador,El Salvador | 2002 | UDFA | | SD | |
| Jake Postlewait | Tri-City | P | A+ | 6-0 | 195 | B | L | 11/3/1981 | 22 | Corvallis,Oregon | 2004 | 7 | 200 | COL | |
| Landon Powell | Vancouver | C | MLB | 6-3 | 230 | B | R | 3/19/1982 | 22 | Las Vegas,Nevada | 2004 | 1 | 24 | OAK | |
| Matt Prendergast | Tri-City | P | A- | 6-4 | 210 | R | R | 3/26/1982 | 22 | Falls Church,Virginia | 2004 | 21 | 620 | COL | |
| Elvin Puello | Boise | 3B | A | 6-2 | 175 | R | R | 12/18/1984 | 19 | La Romana,Dominican Republic | 2003 | UDFA | | CHC | |
| Danny Putnam | Vancouver | OF | MLB | 5-11 | 198 | L | L | 9/17/1982 | 21 | Escondido,California | 2004 | 1 | 36 | OAK | |
| Kellen Raab | Yakima | P | A+ | 6-6 | 230 | L | L | 2/16/1982 | 22 | Bellevue,Nebraska | 2003 | 25 | 756 | ARI | |
| Matt Raguse | Salem-Kaizer | P | A- | 6-2 | 195 | R | R | 9/28/1982 | 21 | Florissant,Missouri | 2004 | 24 | 730 | SF | |
| Juan Ramirez | Vancouver | C | A- | 5-11 | 180 | R | R | 9/16/1983 | 20 | Monte Plata,Dominican Republic | 2000 | UDFA | | OAK | |
| Yordany Ramirez | Eugene | P | AAA | 6-1 | 160 | R | R | 7/31/1984 | 19 | Boca Chica,Dominican Republic | 2001 | UDFA | | SD | |
| Kris Rayborn | Eugene | P | A- | 6-4 | 170 | L | L | 8/10/1979 | 24 | Hattiesburg,Mississippi | 1998 | UDFA | | STL | |
| Steve Register | Tri-City | P | MLB | 6-1 | 170 | R | R | 5/16/1983 | 21 | Columbus,Georgia | 2004 | 3 | 80 | COL | |
| Jesus Reina | Salem-Kaizer | P | AAA | 6-0 | 140 | L | L | 4/20/1984 | 20 | Valencia,Venezuela | 2001 | UDFA | | SF | |
| John Restrepo | Tri-City | OF | A | 6-0 | 185 | L | L | 7/27/1982 | 21 | Santa Ana,California | 2003 | 11 | 317 | COL | |
| Mark Reynolds | Yakima | 1B | MLB | 6-1 | 200 | R | R | 8/3/1983 | 20 | Pikeville,Kentucky | 2004 | 16 | 476 | ARI | |
| Tony Richie | Boise | C | AAA | 6-1 | 215 | R | R | 2/9/1982 | 22 | Miami,Florida | 2003 | 4 | 103 | CHC | |
| Jose Rios | Boise | SS | A | 6-1 | 160 | R | R | 4/6/1984 | 20 | Barranquitas,Puerto Rico | 2003 | 27 | 793 | CHC | |
| Jodam Rivera | Eugene | SS | AA | 5-10 | 180 | B | R | 2/4/1986 | 18 | Santurce,Puerto Rico | 2004 | 24 | 702 | SD | |
| Mumba Rivera | Everett | P | AAA | 6-5 | 205 | R | R | 12/10/1980 | 23 | St. Croix,Virgin Islands | 2004 | 21 | 633 | SEA | |
| Mark Roberts | Spokane | P | AA | 5-11 | 185 | R | R | 6/24/1982 | 22 | Santa Ana,California | 2004 | 8 | 231 | TEX | |
| Connor Robertson | Vancouver | P | MLB | 6-3 | 215 | R | R | 9/10/1981 | 22 | Tuscaloosa,Alabama | 2004 | 31 | 937 | OAK | |
| Ronnie Robinson | Eugene | P | A | 6-3 | 185 | R | R | 4/22/1981 | 23 | Atlanta,Georgia | 2003 | 24 | 701 | SD | |
| Nelson Robledo | Tri-City | C | A+ | 6-1 | 180 | R | R | 6/13/1984 | 20 | Panama City,Panama | 2001 | UDFA | | COL | |
| Richie Robnett | Vancouver | OF | AAA | 5-10 | 195 | L | L | 9/17/1983 | 20 | Santa Monica,California | 2004 | 1 | 26 | OAK | |
| Angel Rocha | Yakima | P | AAA | 6-3 | 180 | L | L | 11/15/1984 | 19 | Duverge,Dominican Republic | 2002 | UDFA | | ARI | |
| Pedro Rodriguez | Boise | P | A- | 6-6 | 180 | R | R | 11/20/1984 | 19 | Caracas,Venezuela | 1998 | 32 | 964 | NYM | |
| Michael Rogers | Vancouver | P | AA | 6-1 | 195 | R | R | 10/24/1982 | 21 | Trenton,New Jersey | 2004 | 2 | 49 | OAK | |
| Melvin Rosario | Tri-City | OF | A+ | 6-1 | 172 | L | L | 9/22/1978 | 25 | Rio Piedras,Puerto Rico | 1997 | 24 | 732 | COL | |
| Brad Rose | Everett | P | AAA | 6-4 | 180 | R | R | 7/24/1983 | 20 | Biloxi,Mississippi | 2002 | 37 | 1120 | SEA | |
| Ryan Ruiz | Vancouver | SS | A | 5-8 | 180 | R | R | 10/18/1981 | 22 | Las Vegas,Nevada | 2004 | 19 | 577 | OAK | |
| Josh Rupe | Spokane | P | MLB | 6-2 | 180 | R | R | 8/18/1982 | 21 | Portsmouth,Virginia | 2002 | 3 | 90 | CHW | |
| Jae-Kuk Ryu | Boise | P | MLB | 6-3 | 185 | R | R | 5/30/1983 | 21 | Choon Chung Do,Korea | 2001 | UDFA | | CHC | |
| Darren Sack | Salem-Kaizer | P | AA | 6-4 | 190 | R | R | 7/19/1982 | 21 | Anaheim,California | 2004 | 11 | 340 | SF | |
| Mitsuru Sakamoto | Tri-City | LF | AAA | 6-2 | 170 | L | R | 10/7/1980 | 23 | Fukuoka,Japan | 2002 | 24 | 711 | COL | |
| Adiel Sanchez | Vancouver | P | A+ | 6-1 | 160 | L | L | 8/27/1982 | 21 | San Juan,Dominican Republic | 1999 | UDFA | | OAK | |
| Angel Sanchez | Spokane | C | A- | 6-0 | 180 | R | R | 1/14/1985 | 19 | El Monte,California | 2003 | 45 | 1327 | CHC | |
| Jonathan Sanchez | Salem-Kaizer | P | MLB | 6-2 | 165 | L | L | 11/19/1982 | 21 | Mayaguez,Puerto Rico | 2004 | 27 | 820 | SF | |
| Braulio Santana | Vancouver | P | A- | 5-11 | 154 | R | R | 4/3/1985 | 19 | San Pedro de Macoris,Dominican Republic | 2002 | UDFA | | OAK | |
| Tomas Santiago | Tri-City | P | AA | 6-4 | 210 | R | R | 10/30/1981 | 22 | Cidra,Puerto Rico | 2002 | 39 | 1161 | COL | |
| Danny Santin | Everett | C | AAA | 6-3 | 190 | L | R | 11/7/1984 | 19 | Miami,Florida | 2003 | 23 | 686 | SEA | |
| Joel Santo | Eugene | P | AAA | 6-3 | 180 | R | R | 6/4/1984 | 20 | San Cristobal,Dominican Republic | 2002 | UDFA | | SD | |
| Luke Sargent | Tri-City | C | A+ | 6-3 | 215 | R | R | 7/14/1982 | 21 | Costa Mesa,California | 2004 | UDFA | | COL | |
| Paul Schappert | Boise | P | AAA | 6-5 | 215 | L | L | 12/21/1981 | 22 | Southlake,Texas | 2004 | UDFA | | CHC | |
| Steve Schilsky | Vancouver | P | A- | 6-2 | 210 | R | R | 1/3/1981 | 23 | Springfield,Illinois | 2002 | 25 | 758 | OAK | |
| Erik Schindewolf | Yakima | 2B | A+ | 5-11 | 180 | L | R | 10/1/1981 | 22 | Spring,Texas | 2004 | 26 | 776 | ARI | |
| Brian Schweiger | Everett | C | AAA | 6-0 | 200 | R | R | 8/21/1982 | 21 | Torrance,California | 2003 | 16 | 476 | SEA | |
| Julian Serrano | Boise | 3B | A- | 6-2 | 210 | R | R | 12/1/1981 | 22 | Santo Domingo,Dominican Republic | 2004 | UDFA | | CHC | |
| E.J. Shanks | Eugene | P | AA | 6-5 | 230 | R | R | 4/8/1982 | 22 | Las Vegas,Nevada | 2004 | 29 | 852 | SD | |
| A.J. Shappi | Yakima | P | AAA | 6-2 | 200 | R | R | 10/16/1982 | 21 | Orange,California | 2004 | 9 | 266 | ARI | |
| Steve Sharpe | Vancouver | P | AAA | 6-1 | 195 | R | R | 7/20/1981 | 22 | Kansas City,Missouri | 2004 | 11 | 337 | OAK | |
| Chris Shaver | Boise | P | AAA | 6-7 | 235 | L | L | 8/21/1981 | 22 | Alexandria,Virginia | 2004 | 4 | 126 | CHC | |
| Brandon Simon | Yakima | OF | AAA | 6-0 | 170 | L | L | 9/9/1980 | 23 | Fresno,California | 2000 | 39 | 1179 | ARI | |
| Chase Smith | Salem-Kaizer | P | A- | | | | | | - | | 2004 | 41 | 1239 | SF | |
| Dustin Smith | Boise | 3B | A- | 5-11 | 185 | R | R | 5/27/1981 | 23 | Leesville,Louisiana | 2004 | UDFA | | CHC | |
| Seth Smith | Tri-City | LF-DH | MLB | 6-3 | 215 | L | L | 9/30/1982 | 21 | Beverly Hills,California | 2004 | 2 | 50 | COL | |
| Jason Snyder | Everett | P | AAA | 6-5 | 185 | R | R | 4/6/1983 | 21 | Salt Lake City,Utah | 2003 | 17 | 506 | SEA | |
| Aaron Sobieraj | Salem-Kaizer | 2B | A+ | 6-1 | 192 | R | R | 6/3/1981 | 23 | Buffalo,New York | 2002 | 13 | 397 | SF | |
| Judd Songster | Tri-City | P | AAA | 6-3 | 195 | R | R | 12/26/1979 | 24 | North Platte,Nebraska | 2001 | 17 | 514 | COL | |
| Luis Soto | Everett | | A- | | | | | | - | | 2003 | UDFA | | SEA | |
| Brett Spivey | Tri-City | OF | A- | 5-9 | 185 | L | R | 6/4/1981 | 23 | Charleston,South Carolina | 2003 | UDFA | | COL | |
| Richard Steik | Eugene | P | AAA | 6-3 | 210 | L | R | 1/24/1984 | 20 | Orange,California | 2004 | 7 | 192 | SD | |
| Vern Sterry | Eugene | P | AAA | 6-2 | 195 | R | R | 2/7/1982 | 22 | Rowland Heights,California | 2004 | 8 | 222 | SD | |
| Ryan Strain | Salem-Kaizer | 2B | A- | 5-9 | 180 | B | R | 10/15/1980 | 23 | Denver,Colorado | 2003 | UDFA | | SF | |
| Pedro Strop | Tri-City | P | MLB | 6-0 | 160 | R | R | 6/13/1985 | 19 | San Cristobal,Dominican Republic | 2002 | UDFA | | COL | |
| Billy Susdorf | Spokane | OF | A+ | 6-1 | 210 | R | R | 5/7/1983 | 21 | Valencia,California | 2004 | 6 | 171 | TEX | |
| Don Sutton | Vancouver | 1B | A+ | 6-0 | 225 | R | R | 11/21/1983 | 20 | Las Vegas,Nevada | 2002 | 41 | 1238 | OAK | |
| Kurt Suzuki | Vancouver | C | MLB | 5-11 | 200 | R | R | 10/4/1983 | 20 | Wailuku,Hawaii | 2004 | 2 | 67 | OAK | |
| Tobin Swope | Spokane | 3B | A+ | 5-10 | 185 | R | R | 1/15/1981 | 23 | Dallas,Texas | 2003 | UDFA | | TEX | |
| John Tetuan | Tri-City | P | A- | 6-0 | 205 | R | R | 9/16/1980 | 23 | Topeka,Kansas | 2002 | 9 | 261 | COL | |
| Derek Tharpe | Vancouver | P | A+ | 5-11 | 188 | L | L | 10/30/1981 | 22 | Knoxville,Tennessee | 2004 | 6 | 187 | OAK | |
| Matt Thayer | Eugene | OF | A+ | 5-10 | 173 | R | L | 2/21/1982 | 22 | Van Nuys,California | 2004 | 31 | 912 | SD | |
| Jud Thigpen | Tri-City | OF | AAA | 6-0 | 180 | R | R | 10/3/1980 | 23 | Cleveland,Mississippi | 2004 | UDFA | | COL | |
| Steven Thomas | Tri-City | P | A | 6-3 | 201 | R | R | 10/22/1981 | 22 | Houston,Texas | 2004 | 28 | 830 | COL | |
| Chris Thompson | Yakima | P | AAA | 6-3 | 195 | R | R | 1/2/1982 | 22 | Irvington,Alabama | 2004 | 21 | 626 | ARI | |
| Will Thompson | Salem-Kaizer | 1B | AAA | 6-1 | 180 | L | L | 11/20/1982 | 21 | Missoula,Montana | 2004 | 7 | 220 | SF | |
| Clay Tichota | Vancouver | P | A | 6-4 | 210 | R | R | 11/26/1981 | 22 | Littleton,Colorado | 2004 | 17 | 517 | OAK | |
| Adam Tidball | Boise | C | A | 6-4 | 218 | R | R | 4/22/1982 | 22 | Fairfax,Virginia | 2003 | 28 | 823 | CHC | |
| Chalon Tietje | Vancouver | OF | A | 6-1 | 195 | R | R | 6/11/1982 | 22 | College Station,Texas | 2004 | 21 | 637 | OAK | |
| Clay Timpner | Salem-Kaizer | LF | MLB | 6-2 | 197 | L | L | 5/13/1983 | 21 | LaBelle,Florida | 2004 | 4 | 130 | SF | |
| Aaron Trolia | Everett | P | AA | 6-2 | 210 | R | R | 5/10/1981 | 23 | Seattle,Washington | 2004 | 27 | 813 | SEA | |
| Matt Tuiasosopo | Everett | 3B-RF | MLB | 6-2 | 210 | R | R | 5/10/1986 | 18 | Woodinville,Washington | 2004 | 3 | 93 | SEA | |
| Jake Upwood | Eugene | P | A | 5-11 | 175 | L | L | 9/19/1980 | 23 | Colorado Springs,Colorado | 2004 | UDFA | | SD | |
| Jose Urena | Boise | P | A- | 6-3 | 160 | R | R | 6/8/1981 | 23 | San Francisco de Macoris,Dominican Republic | 1998 | UDFA | | STL | |
| Angel Valdez | Tri-City | OF | A- | 6-0 | 140 | R | R | 8/2/1984 | 19 | La Romana,Dominican Republic | 2000 | UDFA | | CHC | |
| Jose Valdez | Tri-City | 1B | A+ | 6-1 | 150 | L | R | 9/6/1983 | 20 | La Vega,Dominican Republic | 2002 | UDFA | | COL | |
| Robbie Van | Yakima | P | A | 6-2 | 210 | L | L | 11/3/1981 | 22 | Bountiful,Utah | 2003 | 8 | 246 | ARI | |
| Jason Van Kooten | Tri-City | SS | AA | 5-11 | 170 | R | R | 9/1/1984 | 19 | Denver,Colorado | 2003 | 46 | 1357 | COL | |
| Matt Varner | Eugene | P | A+ | 5-11 | 200 | R | R | 1/16/1982 | 22 | Houston,Texas | 2004 | 11 | 312 | SD | |
| Esmerling Vasquez | Yakima | P | MLB | 6-1 | 154 | R | R | 11/7/1983 | 20 | Tenares,Dominican Republic | 2003 | UDFA | | ARI | |
| Jose Vasquez | Tri-City | OF | A | 6-3 | 220 | L | L | 12/12/1982 | 21 | Santo Domingo,Dominican Republic | 2000 | 16 | 467 | COL | |
| Tom Vincent | Eugene | OF | A | 6-3 | 215 | L | R | 3/3/1982 | 22 | Canberra,Australia | 2003 | 48 | 1406 | SD | |
| Jake Vose | Eugene | P | A- | 5-10 | 185 | L | L | 2/13/1982 | 22 | Las Vegas,Nevada | 2004 | 13 | 372 | SD | |
| Ace Walker | Spokane | P | A+ | 6-1 | 175 | R | R | 4/20/1983 | 21 | Long Beach,California | 2002 | 20 | 601 | LAD | |
| Jeff Watchko | Tri-City | P | A | 6-3 | 195 | R | R | 11/7/1980 | 23 | Roswell,Georgia | 2003 | 24 | 707 | COL | |
| Nick Webb | Tri-City | P | A+ | 6-3 | 205 | L | L | 7/8/1979 | 24 | Houston,Texas | 2000 | 9 | 257 | COL | |
| Matt Weber | Boise | P | A+ | 6-3 | 200 | R | R | 5/5/1985 | 19 | Yuma,Arizona | 2003 | 16 | 463 | CHC | |
| Keith Whatley | Yakima | P | A+ | 6-2 | 210 | L | L | 4/23/1980 | 24 | Huntsville,Texas | 2002 | 41 | 1239 | ARI | |
| Craig Whitaker | Salem-Kaizer | P | AAA | 6-4 | 170 | R | R | 11/19/1984 | 19 | Lufkin,Texas | 2003 | 1 | 34 | SF | |
| Mike White | Yakima | P | A- | 6-2 | 210 | L | L | 9/12/1982 | 21 | Danville,Illinois | 2002 | 19 | 571 | LAD | |
| Olin Wick | Boise | C | AA | 6-0 | 180 | B | R | 5/6/1982 | 22 | Seattle,Washington | 2004 | 48 | 1438 | CHC | |
| Matt Wilkinson | Yakima | P | AA | 6-3 | 200 | L | R | 10/25/1977 | 26 | Geelong,Australia | 2001 | 45 | 1349 | ARI | |
| Reid Willett | Boise | P | A | 6-5 | 205 | R | R | 3/25/1982 | 22 | Nashua,New Hampshire | 2003 | 21 | 613 | CHC | |
| Mike Wilson | Everett | RF | MLB | 6-2 | 240 | B | R | 6/29/1983 | 21 | Tulsa,Oklahoma | 2001 | 2 | 67 | SEA | |
| Jason Windsor | Vancouver | P | MLB | 6-2 | 220 | R | R | 7/16/1982 | 21 | San Bernardino,California | 2004 | 3 | 97 | OAK | |
| Benny Winslow | Vancouver | 3B | A+ | 6-2 | 192 | R | R | 10/16/1979 | 24 | Grinnell,Iowa | 2003 | UDFA | | OAK | |
| Joe Woerman | Everett | P | AAA | 6-3 | 200 | R | R | 12/12/1982 | 21 | Edmonds,Washington | 2003 | 11 | 326 | SEA | |
| Trevor Wohlgemuth | Salem-Kaizer | P | A- | 6-3 | 230 | R | R | 10/10/1981 | 22 | Springfield,Illinois | 2004 | 26 | 790 | SF | |
| Jose Yens | Salem-Kaizer | OF | A | 6-1 | 190 | R | R | 10/16/1982 | 21 | El Seybo,Dominican Republic | 2001 | UDFA | | SF | |