| 41 | Alberto Arias | P | MLB | 5-11 | 150 | Right | Right | 10/14/1983 | 24 | Santo Domingo,Dominican Republic | 2000 | UDFA | | COL |
|
| 27 | Garrett Atkins | 3B | MLB | 6-3 | 210 | Right | Right | 12/12/1979 | 28 | Irvine,California | 2000 | 5 | 137 | COL |
| 10 | Jeff Baker | RF-1B | MLB | 6-2 | 210 | Right | Right | 6/21/1981 | 27 | Badkissagen,Germany | 2002 | 4 | 111 | COL |
| 21 | Clint Barmes | SS | MLB | 6-1 | 190 | Right | Right | 3/6/1979 | 29 | Vincennes,Indiana | 2000 | 10 | 287 | COL |
| 15 | Edwin Bellorin | C | MLB | 5-11 | 170 | Right | Right | 2/21/1982 | 26 | Edo Bolivar,Venezuela | 1998 | UDFA | | LAD |
| 1 | Doug Bernier | SS | MLB | 5-11 | 175 | Both | Right | 6/24/1980 | 28 | Santa Maria,California | 2002 | UDFA | | COL |
| 31 | Cedrick Bowers | P | MLB | 6-2 | 223 | Right | Left | 2/10/1978 | 30 | Gainesville,Florida | 1996 | 4 | 124 | TB |
| 44 | Micah Bowie | P | MLB | 6-4 | 210 | Left | Left | 11/10/1974 | 33 | Webster,Texas | 1993 | 8 | 236 | ATL |
| 35 | Taylor Buchholz | P | MLB | 6-4 | 220 | Right | Right | 10/13/1981 | 26 | Lower Merion,Pennsylvania | 2000 | 6 | 175 | PHI |
| 41 | Jose Capellan | P | MLB | 6-3 | 170 | Right | Right | 1/13/1981 | 27 | Cotui,Dominican Republic | 1998 | UDFA | | ATL |
| 28 | Aaron Cook | P | MLB | 6-3 | 175 | Right | Right | 2/8/1979 | 29 | Fort Campbell,Kentucky | 1997 | 2 | 70 | COL |
| 60 | Manuel Corpas | P | MLB | 6-3 | 170 | Right | Right | 12/3/1982 | 25 | Panama City,Panama | 1999 | UDFA | | COL |
| 29 | Jorge De La Rosa | P | MLB | 6-1 | 190 | Left | Left | 4/5/1981 | 27 | Monterrey,Mexico | 1998 | UDFA | | ARI |
| 39 | Valerio De Los Santos | P | MLB | 6-2 | 180 | Left | Left | 10/6/1975 | 32 | Las Matas de Farfan,Dominican Republic | 1993 | UDFA | | MIL |
| 14 | Dexter Fowler | CF | MLB | 6-5 | 189 | Both | Right | 3/22/1986 | 22 | Alpharetta,Georgia | 2004 | 14 | 410 | COL |
| 26 | Jeff Francis | P | MLB | 6-5 | 200 | Left | Left | 1/8/1981 | 27 | Vancouver,British Columbia | 2002 | 1 | 9 | COL |
| 40 | Brian Fuentes | P | MLB | 6-4 | 220 | Left | Left | 8/9/1975 | 32 | Merced,California | 1995 | 25 | 678 | SEA |
| 49 | Jason Grilli | P | MLB | 6-4 | 185 | Right | Right | 11/11/1976 | 31 | Royal Oak,Michigan | 1997 | 1 | 4 | SF |
| 11 | Brad Hawpe | RF | MLB | 6-3 | 210 | Left | Left | 6/22/1979 | 29 | Fort Worth,Texas | 2000 | 11 | 317 | COL |
| 17 | Todd Helton | 1B | MLB | 6-2 | 206 | Left | Left | 8/20/1973 | 34 | Knoxville,Tennessee | 1995 | 1 | 8 | COL |
| 34 | Matt Herges | P | MLB | 6-0 | 200 | Left | Right | 4/1/1970 | 38 | Champaign,Illinois | 1992 | UDFA | | LAD |
| 61 | Livan Hernandez | P | MLB | 6-2 | 225 | Right | Right | 2/20/1975 | 33 | Villa Clara,Cuba | 1996 | UDFA | | FLA |
| 21 | Jonathan Herrera | SS-2B | MLB | 5-9 | 150 | Both | Right | 11/3/1984 | 23 | Maracaibo,Venezuela | 2002 | UDFA | | COL |
| 48 | Jason Hirsh | P | MLB | 6-8 | 250 | Right | Right | 2/20/1982 | 26 | Santa Monica,California | 2003 | 2 | 59 | HOU |
| 5 | Matt Holliday | LF | MLB | 6-4 | 235 | Right | Right | 1/1/1980 | 28 | Stillwater,Oklahoma | 1998 | 7 | 210 | COL |
| 20 | Chris Iannetta | C | MLB | 5-11 | 195 | Right | Right | 4/8/1983 | 25 | Providence,Rhode Island | 2004 | 4 | 110 | COL |
| 38 | Ubaldo Jimenez | P | MLB | 6-2 | 160 | Right | Right | 1/22/1984 | 24 | Nagua,Dominican Republic | 2001 | UDFA | | COL |
| 47 | Joe Koshansky | 1B | MLB | 6-4 | 225 | Left | Left | 5/26/1982 | 26 | Shreveport,Louisiana | 2004 | 6 | 170 | COL |
| 16 | Adam Melhuse | C | MLB | 6-2 | 185 | Both | Right | 3/27/1972 | 36 | Santa Clara,California | 1993 | 13 | 378 | TOR |
| 56 | Franklin Morales | P | MLB | 6-0 | 170 | Left | Left | 1/24/1986 | 22 | San Juan Morros,Venezuela | 2002 | UDFA | | COL |
| 52 | Juan Morillo | P | MLB | 6-1 | 160 | Right | Right | 11/5/1983 | 24 | San Pedro de Macoris,Dominican Republic | 2001 | UDFA | | COL |
| 45 | Josh Newman | P | MLB | 6-1 | 215 | Left | Left | 6/11/1982 | 26 | Wheelersburg,Ohio | 2004 | 19 | 560 | COL |
| 1 | Jayson Nix | 3B-SS | MLB | 5-11 | 180 | Right | Right | 8/26/1982 | 25 | Dallas,Texas | 2001 | 1 | 44 | COL |
| 29,22 | Scott Podsednik | LF-CF | MLB | 6-0 | 170 | Left | Left | 3/18/1976 | 32 | West,Texas | 1994 | 3 | 85 | TEX |
| 6 | Omar Quintanilla | SS | MLB | 5-9 | 185 | Left | Right | 10/24/1981 | 26 | El Paso,Texas | 2003 | 1 | 33 | OAK |
| 55 | Mark Redman | P | MLB | 6-5 | 220 | Left | Left | 1/5/1974 | 34 | San Diego,California | 1995 | 1 | 13 | MIN |
| 41 | Steve Register | P | MLB | 6-1 | 170 | Right | Right | 5/16/1983 | 25 | Columbus,Georgia | 2004 | 3 | 80 | COL |
| 54 | Greg Reynolds | P | MLB | 6-7 | 225 | Right | Right | 7/3/1985 | 22 | Pacifica,California | 2006 | 1 | 2 | COL |
| 32 | Glendon Rusch | P | MLB | 6-1 | 200 | Left | Left | 11/7/1974 | 33 | Seattle,Washington | 1993 | 17 | 469 | KC |
| 25 | Seth Smith | LF-DH | MLB | 6-3 | 215 | Left | Left | 9/30/1982 | 25 | Beverly Hills,California | 2004 | 2 | 50 | COL |
| 23 | Ryan Speier | P | MLB | 6-7 | 200 | Right | Right | 7/24/1979 | 28 | Frankfort,Kentucky | 2001 | UDFA | | COL |
| 19 | Ryan Spilborghs | LF | MLB | 6-1 | 190 | Right | Right | 9/5/1979 | 28 | Santa Barbara,California | 2002 | 7 | 201 | COL |
| 24 | Ian Stewart | 3B | MLB | 6-3 | 200 | Left | Right | 4/5/1985 | 23 | Long Beach,California | 2003 | 1 | 10 | COL |
| 18 | Cory Sullivan | LF-CF | MLB | 6-0 | 180 | Left | Left | 8/20/1979 | 28 | Tulsa,Oklahoma | 2001 | 7 | 214 | COL |
| 3 | Willy Taveras | CF | MLB | 6-0 | 160 | Right | Right | 12/25/1981 | 26 | Tenares,Dominican Republic | 1999 | UDFA | | CLE |
| 8 | Yorvit Torrealba | C | MLB | 5-11 | 180 | Right | Right | 7/19/1978 | 29 | Caracas,Venezuela | 1994 | UDFA | | SF |
| 2 | Troy Tulowitzki | SS | MLB | 6-3 | 205 | Right | Right | 10/10/1984 | 23 | Santa Clara,California | 2005 | 1 | 7 | COL |
| 51 | Luis Vizcaino | P | MLB | 5-11 | 169 | Right | Right | 6/1/1977 | 31 | Bani,Dominican Republic | 1994 | UDFA | | OAK |
| 16 | Kip Wells | P | MLB | 6-3 | 196 | Right | Right | 4/21/1977 | 31 | Houston,Texas | 1998 | 1 | 16 | CHW |