| 50 | Alberto Arias | P | MLB | 5-11 | 150 | Right | Right | 10/14/1983 | 25 | Santo Domingo,Dominican Republic | 2000 | UDFA | | COL |
|
| 41 | Brandon Backe | P | MLB | 6-0 | 185 | Right | Right | 4/5/1978 | 31 | Galveston,Texas | 1998 | 18 | 552 | TB |
| 58 | Yorman Bazardo | P | MLB | 6-2 | 170 | Right | Right | 7/11/1984 | 24 | Maracay,Venezuela | 2000 | UDFA | | FLA |
| 17 | Lance Berkman | 1B | MLB | 6-1 | 205 | Both | Left | 2/10/1976 | 33 | Waco,Texas | 1997 | 1 | 16 | HOU |
| 27 | Geoff Blum | 3B | MLB | 6-3 | 195 | Both | Right | 4/26/1973 | 36 | Redwood City,California | 1994 | 7 | 196 | MTL |
| 8 | Aaron Boone | 3B | MLB | 6-2 | 200 | Right | Right | 3/9/1973 | 36 | La Mesa,California | 1994 | 3 | 72 | CIN |
| 21 | Michael Bourn | CF | MLB | 5-11 | 180 | Left | Right | 12/27/1982 | 26 | Houston,Texas | 2003 | 4 | 115 | PHI |
| 26 | Doug Brocail | P | MLB | 6-5 | 235 | Left | Right | 5/16/1967 | 42 | Clearfield,Pennsylvania | 1986 | 1 | 12 | SD |
| 48 | Tim Byrdak | P | MLB | 5-11 | 180 | Left | Left | 10/31/1973 | 35 | Oak Lawn,Illinois | 1994 | 5 | 135 | KC |
| 41 | Chris Coste | C | MLB | 6-1 | 205 | Right | Right | 2/4/1973 | 36 | Fargo,North Dakota | 1998 | UDFA | | PIT |
| 2 | Darin Erstad | CF-1B | MLB | 6-2 | 212 | Left | Left | 6/4/1974 | 35 | Jamestown,North Dakota | 1995 | 1 | 1 | CAL |
| 39 | Jeff Fulchino | P | MLB | 6-5 | 240 | Right | Right | 11/26/1979 | 29 | Titusville,Florida | 2001 | 8 | 242 | FLA |
| 29 | Geoff Geary | P | MLB | 6-0 | 176 | Right | Right | 8/26/1976 | 32 | Buffalo,New York | 1998 | 15 | 434 | PHI |
| 63 | Sam Gervacio | P | MLB | 5-11 | 160 | Right | Right | 1/10/1985 | 24 | Sabana De La Mar,Dominican Republic | 2005 | UDFA | | HOU |
| 11 | Mike Hampton | P | MLB | 5-10 | 180 | Right | Left | 9/9/1972 | 36 | Brooksville,Florida | 1990 | 6 | 157 | SEA |
| 22 | LaTroy Hawkins | P | MLB | 6-5 | 204 | Right | Right | 12/21/1972 | 36 | Gary,Indiana | 1991 | 7 | 181 | MIN |
| 23 | Chris Johnson | 3B | MLB | 6-3 | 220 | Right | Right | 10/1/1984 | 24 | Fort Myers,Florida | 2006 | 4 | 129 | HOU |
| 36 | Matt Kata | 3B | MLB | 6-1 | 185 | Both | Right | 3/14/1978 | 31 | Avon Lake,Ohio | 1999 | 9 | 268 | ARI |
| 28 | Jeff Keppinger | 3B-1B | MLB | 6-0 | 180 | Right | Right | 4/21/1980 | 29 | Miami,Florida | 2001 | 4 | 114 | PIT |
| 45 | Carlos Lee | 1B | MLB | 6-2 | 220 | Right | Right | 6/20/1976 | 33 | Aguadulce,Panama | 1994 | UDFA | | CHW |
| 59 | Wilton Lopez | P | MLB | 6-0 | 189 | Right | Right | 7/19/1983 | 25 | Leon,Nicaragua | 2004 | UDFA | | NYY |
| 12 | Tommy Manzella | SS | MLB | 6-3 | 195 | Right | Right | 4/16/1983 | 26 | Chalmette,Louisiana | 2005 | 3 | 89 | HOU |
| 3 | Kazuo Matsui | SS | MLB | 5-10 | 185 | Both | Right | 10/23/1975 | 33 | Osaka,Japan | 2003 | UDFA | | NYM |
| 18 | Edwin Maysonet | SS | MLB | 6-0 | 180 | Right | Right | 10/17/1981 | 27 | Arecibo,Puerto Rico | 2003 | 19 | 569 | HOU |
| 4 | Jason Michaels | LF | MLB | 6-0 | 205 | Right | Right | 5/4/1976 | 33 | Tampa,Florida | 1998 | 4 | 104 | PHI |
| 38 | Brian Moehler | P | MLB | 6-3 | 235 | Right | Right | 12/31/1971 | 37 | Rockingham,North Carolina | 1993 | 6 | 165 | DET |
| 20 | Bud Norris | P | MLB | 6-0 | 195 | Right | Right | 3/2/1985 | 24 | Greenbrae,California | 2006 | 6 | 189 | HOU |
| 23 | Russ Ortiz | P | MLB | 6-1 | 210 | Right | Right | 6/5/1974 | 35 | Encino,California | 1995 | 4 | 103 | SF |
| 44 | Roy Oswalt | P | MLB | 6-0 | 170 | Right | Right | 8/29/1977 | 31 | Weir,Mississippi | 1996 | 23 | 684 | HOU |
| 54 | Chad Paronto | P | MLB | 6-5 | 225 | Right | Right | 7/28/1975 | 33 | Woodsville,New Hampshire | 1996 | 8 | 231 | BAL |
| 52 | Felipe Paulino | P | MLB | 6-2 | 180 | Right | Right | 10/5/1983 | 25 | Santo Domingo,Dominican Republic | 2001 | UDFA | | HOU |
| 9 | Hunter Pence | RF | MLB | 6-4 | 210 | Right | Right | 4/13/1983 | 26 | Fort Worth,Texas | 2004 | 2 | 64 | HOU |
| 55 | Humberto Quintero | C | MLB | 6-1 | 190 | Right | Right | 8/2/1979 | 29 | Maracaibo,Venezuela | 1997 | UDFA | | CHW |
| 12 | Ivan Rodriguez | C | MLB | 5-9 | 205 | Right | Right | 11/30/1971 | 37 | Vega Baja,Puerto Rico | 1988 | UDFA | | TEX |
| 51 | Wandy Rodriguez | P | MLB | 5-11 | 160 | Both | Left | 1/18/1979 | 30 | Santiago Rodriguez,Dominican Republic | 1999 | UDFA | | HOU |
| 31 | Billy Sadler | P | MLB | 6-0 | 190 | Right | Right | 9/21/1981 | 27 | Pensacola,Florida | 2003 | 6 | 183 | SF |
| 43 | Chris Sampson | P | MLB | 6-0 | 170 | Right | Right | 5/23/1978 | 31 | Pasadena,Texas | 1999 | 8 | 263 | HOU |
| 31 | Jason Smith | 2B-SS | MLB | 6-3 | 190 | Left | Right | 7/24/1977 | 31 | Meridian,Mississippi | 1996 | 43 | 1287 | TB |
| 10 | Miguel Tejada | 3B | MLB | 5-9 | 188 | Right | Right | 5/25/1974 | 35 | Bani,Dominican Republic | 1993 | UDFA | | OAK |
| 46 | J.R. Towles | C | MLB | 6-2 | 190 | Right | Right | 2/11/1984 | 25 | Crosby,Texas | 2004 | 20 | 604 | HOU |
| 47 | Jose Valverde | P | MLB | 6-4 | 220 | Right | Right | 7/24/1979 | 29 | San Pedro de Macoris,Dominican Republic | 1997 | UDFA | | ARI |
| 53 | Wesley Wright | P | MLB | 5-10 | 150 | Right | Left | 1/28/1985 | 24 | Montgomery,Alabama | 2003 | 7 | 211 | LAD |