| 5 | Scott Atchison | P | MLB | 6-2 | 180 | Right | Right | 3/29/1976 | 29 | Denton,Texas | 1998 | 49 | 1423 | SEA |
|
| 46 | Adrian Beltre | 3B | MLB | 5-11 | 170 | Right | Right | 4/7/1979 | 26 | Santo Domingo,Dominican Republic | 1994 | UDFA | | LAD |
| 16 | Yuniesky Betancourt | 2B | MLB | 5-10 | 190 | Right | Right | 1/31/1982 | 23 | Santa Clara,Cuba | 2005 | UDFA | | SEA |
| 29 | Willie Bloomquist | SS | MLB | 5-11 | 185 | Right | Right | 11/27/1977 | 27 | Bremerton,Washington | 1999 | 3 | 95 | SEA |
| 37 | Bret Boone | 2B | MLB | 5-10 | 180 | Right | Right | 4/6/1969 | 36 | El Cajon,California | 1990 | 5 | 131 | SEA |
| 62 | Pat Borders | C | MLB | 6-2 | 200 | Right | Right | 5/14/1963 | 42 | Columbus,Ohio | 1982 | 6 | 134 | TOR |
| 32,49 | Jaime Bubela | OF | MLB | 6-1 | 200 | Left | Right | 6/6/1978 | 27 | Houston,Texas | 2000 | 7 | 206 | SEA |
| 54 | Jorge Campillo | P | MLB | 6-1 | 190 | Right | Right | 8/10/1978 | 26 | Tijuana,Mexico | 2005 | UDFA | | SEA |
| 22 | Shin-Soo Choo | RF | MLB | 5-11 | 178 | Left | Left | 7/30/1982 | 22 | Pusan,Korea | 2000 | UDFA | | SEA |
| 45 | Greg Dobbs | 3B-LF | MLB | 6-1 | 205 | Left | Right | 7/2/1978 | 26 | Los Angeles,California | 1999 | 10 | 323 | HOU |
| 31 | Ryan Franklin | P | MLB | 6-3 | 185 | Right | Right | 3/5/1973 | 32 | Fort Smith,Arkansas | 1992 | 23 | 642 | SEA |
| 18 | Wiki Gonzalez | C | MLB | 5-11 | 203 | Right | Right | 5/17/1974 | 31 | Aragua,Venezuela | 1992 | UDFA | | PIT |
| 10 | Eddie Guardado | P | MLB | 6-0 | 194 | Right | Left | 10/2/1970 | 34 | Stockton,California | 1990 | 21 | 553 | MIN |
| 58 | Dave Hansen | 3B-1B | MLB | 6-0 | 195 | Left | Right | 11/24/1968 | 36 | Long Beach,California | 1986 | 2 | 47 | LAD |
| 17 | Jeff Harris | P | MLB | 6-0 | 190 | Right | Right | 7/4/1974 | 30 | Alameda,California | 1995 | 28 | 772 | MIN |
| 59 | Shigetoshi Hasegawa | P | MLB | 5-11 | 178 | Right | Right | 8/1/1968 | 36 | Kobe,Japan | 1997 | UDFA | | ANA |
| 28 | Felix Hernandez | P | MLB | 6-3 | 170 | Right | Right | 4/8/1986 | 19 | Valencia,Venezuela | 2002 | UDFA | | SEA |
| 35 | Raul Ibanez | LF | MLB | 6-2 | 200 | Left | Right | 6/2/1972 | 33 | New York,New York | 1992 | 36 | 1006 | SEA |
| 4 | Masao Kida | P | MLB | 6-2 | 210 | Right | Right | 9/12/1968 | 36 | Tokyo,Japan | 1998 | UDFA | | DET |
| 56 | Jose Lopez | 3B | MLB | 6-2 | 170 | Right | Right | 11/24/1983 | 21 | Barcelona,Venezuela | 2000 | UDFA | | SEA |
| 40 | Bobby Madritsch | P | MLB | 6-2 | 190 | Left | Left | 2/28/1976 | 29 | Oak Lawn,Illinois | 1998 | 6 | 170 | CIN |
| 55 | Julio Mateo | P | MLB | 6-0 | 180 | Right | Right | 8/22/1977 | 27 | Bani,Dominican Republic | 1996 | UDFA | | SEA |
| 12,46 | Gil Meche | P | MLB | 6-3 | 180 | Right | Right | 9/8/1978 | 26 | Lafayette,Louisiana | 1996 | 1 | 22 | SEA |
| 50 | Mike Morse | LF-RF | MLB | 6-5 | 195 | Right | Right | 3/22/1982 | 23 | Fort Lauderdale,Florida | 2000 | 3 | 82 | CHW |
| 37 | Jamie Moyer | P | MLB | 6-0 | 170 | Left | Left | 11/8/1962 | 42 | Sellersville,Pennsylvania | 1984 | 6 | 135 | CHC |
| 2,35 | Clint Nageotte | P | MLB | 6-3 | 200 | Right | Right | 10/25/1980 | 24 | Parma,Ohio | 1999 | 5 | 155 | SEA |
| 8 | Jeff Nelson | P | MLB | 6-8 | 225 | Right | Right | 11/17/1966 | 38 | Baltimore,Maryland | 1984 | 22 | 569 | LAD |
| 38 | Miguel Ojeda | C | MLB | 6-2 | 190 | Right | Right | 1/29/1975 | 30 | Sonora,Mexico | 1993 | UDFA | | PIT |
| 20 | Miguel Olivo | C | MLB | 6-0 | 180 | Right | Right | 7/15/1978 | 26 | Villa Vasquez,Dominican Republic | 1996 | UDFA | | OAK |
| 7 | Joel Pineiro | P | MLB | 6-1 | 180 | Right | Right | 9/25/1978 | 26 | Rio Piedras,Puerto Rico | 1997 | 12 | 373 | SEA |
| 30,59 | J.J. Putz | P | MLB | 6-5 | 220 | Right | Right | 2/22/1977 | 28 | Trenton,Michigan | 1999 | 6 | 185 | SEA |
| 1 | Jeremy Reed | RF-LF | MLB | 6-0 | 160 | Left | Left | 6/15/1981 | 24 | San Dimas,California | 2002 | 2 | 59 | CHW |
| 30 | Rene Rivera | C | MLB | 5-10 | 190 | Right | Right | 7/31/1983 | 21 | Bayamon,Puerto Rico | 2001 | 2 | 49 | SEA |
| 44 | Ramon Santiago | 2B | MLB | 5-11 | 150 | Both | Right | 8/31/1979 | 25 | Las Matas de Farfan,Dominican Republic | 1998 | UDFA | | DET |
| 52 | Aaron Sele | P | MLB | 6-5 | 215 | Right | Right | 6/25/1970 | 35 | Golden Valley,Minnesota | 1991 | 1 | 23 | BOS |
| 32 | Richie Sexson | 1B | MLB | 6-7 | 206 | Right | Right | 12/29/1974 | 30 | Portland,Oregon | 1993 | 24 | 671 | CLE |
| 39 | George Sherrill | P | MLB | 6-0 | 225 | Left | Left | 4/19/1977 | 28 | Memphis,Tennessee | 2003 | UDFA | | SEA |
| 23 | Chris Snelling | LF-RF | MLB | 5-10 | 165 | Left | Left | 12/3/1981 | 23 | North Miami,Florida | 1999 | UDFA | | SEA |
| 36 | Rafael Soriano | P | MLB | 6-1 | 175 | Right | Right | 12/19/1979 | 25 | San Jose,Dominican Republic | 1996 | UDFA | | SEA |
| 51 | Scott Spiezio | 1B-2B | MLB | 6-2 | 222 | Both | Right | 9/21/1972 | 32 | Joliet,Illinois | 1993 | 6 | 181 | OAK |
| 53 | Jamal Strong | CF | MLB | 5-10 | 180 | Right | Right | 8/5/1978 | 26 | Pasadena,California | 2000 | 6 | 176 | SEA |
| 8 | Ichiro Suzuki | RF | MLB | 5-11 | 170 | Left | Right | 10/23/1973 | 31 | Kasugai,Japan | 2000 | UDFA | | SEA |
| 12 | Matt Thornton | P | MLB | 6-6 | 220 | Left | Left | 9/15/1976 | 28 | Three Rivers,Michigan | 1998 | 1 | 22 | SEA |
| 47 | Yorvit Torrealba | C | MLB | 5-11 | 180 | Right | Right | 7/19/1978 | 26 | Caracas,Venezuela | 1994 | UDFA | | SF |
| 6 | Wilson Valdez | SS-2B | MLB | 5-11 | 160 | Right | Right | 5/20/1978 | 27 | Nizao,Dominican Republic | 1997 | UDFA | | MTL |
| 2 | Ron Villone | P | MLB | 6-3 | 237 | Left | Left | 1/16/1970 | 35 | Englewood,New Jersey | 1992 | 1 | 14 | SEA |
| - | Dan Wilson | C | MLB | 6-3 | 202 | Right | Right | 3/25/1969 | 36 | Arlington Heights,Illinois | 1990 | 1 | 7 | CIN |
| 27 | Randy Winn | CF-LF | MLB | 6-2 | 175 | Both | Right | 6/9/1974 | 31 | Los Angeles,California | 1995 | 3 | 65 | FLA |