| 41 | Jeremy Affeldt | P | MLB | 6-4 | 185 | Left | Left | 6/5/1979 | 28 | Phoenix,Arizona | 1997 | 3 | 91 | KC |
|
| 44 | Alberto Arias | P | MLB | 5-11 | 150 | Right | Right | 10/14/1983 | 23 | Santo Domingo,Dominican Republic | 2000 | UDFA | | COL |
| 27 | Garrett Atkins | 3B | MLB | 6-3 | 210 | Right | Right | 12/12/1979 | 27 | Irvine,California | 2000 | 5 | 137 | COL |
| 10 | Jeff Baker | RF-1B | MLB | 6-2 | 210 | Right | Right | 6/21/1981 | 26 | Badkissagen,Germany | 2002 | 4 | 111 | COL |
| 14 | Sean Barker | OF | MLB | 6-3 | 220 | Right | Right | 5/26/1980 | 27 | Bakersfield,California | 2002 | 6 | 171 | COL |
| 21 | Clint Barmes | SS | MLB | 6-1 | 190 | Right | Right | 3/6/1979 | 28 | Vincennes,Indiana | 2000 | 10 | 287 | COL |
| 54 | Denny Bautista | P | MLB | 6-5 | 170 | Right | Right | 10/23/1982 | 24 | Sanchez,Dominican Republic | 2000 | UDFA | | FLA |
| 15 | Edwin Bellorin | C | MLB | 5-11 | 170 | Right | Right | 2/21/1982 | 25 | Edo Bolivar,Venezuela | 1998 | UDFA | | LAD |
| 35 | Taylor Buchholz | P | MLB | 6-4 | 220 | Right | Right | 10/13/1981 | 25 | Lower Merion,Pennsylvania | 2000 | 6 | 175 | PHI |
| 1 | Jamey Carroll | 2B-3B | MLB | 5-10 | 175 | Right | Right | 2/18/1974 | 33 | Evansville,Indiana | 1996 | 14 | 400 | MTL |
| 99 | Darren Clarke | P | MLB | 6-8 | 235 | Right | Right | 3/19/1981 | 26 | San Diego,California | 2000 | 35 | 1037 | COL |
| 28 | Aaron Cook | P | MLB | 6-3 | 175 | Right | Right | 2/8/1979 | 28 | Fort Campbell,Kentucky | 1997 | 2 | 70 | COL |
| 60 | Manuel Corpas | P | MLB | 6-3 | 170 | Right | Right | 12/3/1982 | 24 | Panama City,Panama | 1999 | UDFA | | COL |
| 39 | Elmer Dessens | P | MLB | 6-0 | 187 | Right | Right | 1/13/1972 | 35 | Hermosillo,Mexico | 1993 | UDFA | | PIT |
| 12 | Steve Finley | CF | MLB | 6-2 | 180 | Left | Left | 3/12/1965 | 42 | Union City,Tennessee | 1987 | 13 | 324 | BAL |
| 37 | Josh Fogg | P | MLB | 6-2 | 205 | Right | Right | 12/13/1976 | 30 | Lynn,Massachusetts | 1998 | 3 | 89 | CHW |
| 26 | Jeff Francis | P | MLB | 6-5 | 200 | Left | Left | 1/8/1981 | 26 | Vancouver,British Columbia | 2002 | 1 | 9 | COL |
| 40 | Brian Fuentes | P | MLB | 6-4 | 220 | Left | Left | 8/9/1975 | 31 | Merced,California | 1995 | 25 | 678 | SEA |
| 16 | Geronimo Gil | C | MLB | 6-2 | 195 | Right | Right | 8/7/1975 | 31 | Oaxaca,Mexico | 1996 | UDFA | | LAD |
| 49 | Tim Harikkala | P | MLB | 6-2 | 185 | Right | Right | 7/15/1971 | 35 | West Palm Beach,Florida | 1992 | 34 | 950 | SEA |
| 32 | LaTroy Hawkins | P | MLB | 6-5 | 204 | Right | Right | 12/21/1972 | 34 | Gary,Indiana | 1991 | 7 | 181 | MIN |
| 11 | Brad Hawpe | RF | MLB | 6-3 | 210 | Left | Left | 6/22/1979 | 28 | Fort Worth,Texas | 2000 | 11 | 317 | COL |
| 17 | Todd Helton | 1B | MLB | 6-2 | 206 | Left | Left | 8/20/1973 | 33 | Knoxville,Tennessee | 1995 | 1 | 8 | COL |
| 34 | Matt Herges | P | MLB | 6-0 | 200 | Left | Right | 4/1/1970 | 37 | Champaign,Illinois | 1992 | UDFA | | LAD |
| 48 | Jason Hirsh | P | MLB | 6-8 | 250 | Right | Right | 2/20/1982 | 25 | Santa Monica,California | 2003 | 2 | 59 | HOU |
| 5 | Matt Holliday | LF | MLB | 6-4 | 235 | Right | Right | 1/1/1980 | 27 | Stillwater,Oklahoma | 1998 | 7 | 210 | COL |
| 20 | Chris Iannetta | C | MLB | 5-11 | 195 | Right | Right | 4/8/1983 | 24 | Providence,Rhode Island | 2004 | 4 | 110 | COL |
| 38 | Ubaldo Jimenez | P | MLB | 6-2 | 160 | Right | Right | 1/22/1984 | 23 | Nagua,Dominican Republic | 2001 | UDFA | | COL |
| 50 | Jorge Julio | P | MLB | 6-1 | 190 | Right | Right | 3/3/1979 | 28 | Caracas,Venezuela | 1996 | UDFA | | MTL |
| 25 | Bob Keppel | P | MLB | 6-5 | 200 | Right | Right | 6/11/1982 | 25 | St. Louis,Missouri | 2000 | 1 | 36 | NYM |
| 49 | Byung-Hyun Kim | P | MLB | 5-11 | 176 | Right | Right | 1/21/1979 | 28 | Gwangju,Korea | 1999 | UDFA | | ARI |
| 47 | Joe Koshansky | 1B | MLB | 6-4 | 225 | Left | Left | 5/26/1982 | 25 | Shreveport,Louisiana | 2004 | 6 | 170 | COL |
| 31 | Rodrigo Lopez | P | MLB | 6-1 | 180 | Right | Right | 12/14/1975 | 31 | Tlalnepantla,Mexico | 1995 | UDFA | | SD |
| 47 | John Mabry | RF-1B | MLB | 6-4 | 195 | Left | Right | 10/17/1970 | 36 | Wilmington,Delaware | 1991 | 6 | 156 | STL |
| 39 | Tom Martin | P | MLB | 6-1 | 200 | Left | Left | 5/21/1970 | 37 | Charleston,South Carolina | 1988 | 6 | 139 | BAL |
| 7 | Kazuo Matsui | SS | MLB | 5-10 | 185 | Both | Right | 10/23/1975 | 31 | Osaka,Japan | 2003 | UDFA | | NYM |
| 46 | Zach McClellan | P | MLB | 6-5 | 200 | Right | Right | 11/25/1978 | 28 | Toledo,Ohio | 2000 | 5 | 134 | KC |
| 56 | Franklin Morales | P | MLB | 6-0 | 170 | Left | Left | 1/24/1986 | 21 | San Juan Morros,Venezuela | 2002 | UDFA | | COL |
| 51 | Juan Morillo | P | MLB | 6-1 | 160 | Right | Right | 11/5/1983 | 23 | San Pedro de Macoris,Dominican Republic | 2001 | UDFA | | COL |
| 45 | Josh Newman | P | MLB | 6-1 | 215 | Left | Left | 6/11/1982 | 25 | Wheelersburg,Ohio | 2004 | 19 | 560 | COL |
| 44 | Ramon Ortiz | P | MLB | 6-0 | 175 | Right | Right | 3/23/1973 | 34 | Cotui,Dominican Republic | 1995 | UDFA | | CAL |
| 6 | Omar Quintanilla | SS | MLB | 5-9 | 185 | Left | Right | 10/24/1981 | 25 | El Paso,Texas | 2003 | 1 | 33 | OAK |
| 61 | Ramon Ramirez | P | MLB | 5-11 | 170 | Right | Right | 8/31/1981 | 25 | Santiago,Dominican Republic | 2003 | UDFA | | NYY |
| 55 | Mark Redman | P | MLB | 6-5 | 220 | Left | Left | 1/5/1974 | 33 | San Diego,California | 1995 | 1 | 13 | MIN |
| 29 | Dan Serafini | P | MLB | 6-1 | 195 | Both | Left | 1/25/1974 | 33 | San Francisco,California | 1992 | 1 | 26 | MIN |
| 12 | Seth Smith | LF-DH | MLB | 6-3 | 215 | Left | Left | 9/30/1982 | 24 | Beverly Hills,California | 2004 | 2 | 50 | COL |
| 23 | Ryan Speier | P | MLB | 6-7 | 200 | Right | Right | 7/24/1979 | 27 | Frankfort,Kentucky | 2001 | UDFA | | COL |
| 19 | Ryan Spilborghs | LF | MLB | 6-1 | 190 | Right | Right | 9/5/1979 | 27 | Santa Barbara,California | 2002 | 7 | 201 | COL |
| 24 | Ian Stewart | 3B | MLB | 6-3 | 200 | Left | Right | 4/5/1985 | 22 | Long Beach,California | 2003 | 1 | 10 | COL |
| 18 | Cory Sullivan | LF-CF | MLB | 6-0 | 180 | Left | Left | 8/20/1979 | 27 | Tulsa,Oklahoma | 2001 | 7 | 214 | COL |
| 3 | Willy Taveras | CF | MLB | 6-0 | 160 | Right | Right | 12/25/1981 | 25 | Tenares,Dominican Republic | 1999 | UDFA | | CLE |
| 8 | Yorvit Torrealba | C | MLB | 5-11 | 180 | Right | Right | 7/19/1978 | 28 | Caracas,Venezuela | 1994 | UDFA | | SF |
| 2 | Troy Tulowitzki | SS | MLB | 6-3 | 205 | Right | Right | 10/10/1984 | 22 | Santa Clara,California | 2005 | 1 | 7 | COL |