| - | Phil Avlas | C | AAA | 5-11 | 170 | Right | Right | 12/17/1982 | 23 | North Hills,California | 2001 | 24 | 728 | ARI |
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| - | Jarred Ball | OF | AAA | 6-0 | 194 | Both | Right | 4/18/1983 | 23 | Katy,Texas | 2001 | 9 | 278 | ARI |
| - | Adam Bass | P | AAA | 6-6 | 210 | Right | Right | 7/31/1981 | 24 | Kokomo,Indiana | 2003 | 10 | 306 | ARI |
| - | Jonathan Castellanos | P | AAA | 6-0 | 217 | Right | Right | 9/17/1981 | 24 | Monterrey,Mexico | 2000 | UDFA | | ARI |
| - | Wilkin Castillo | C | MLB | 6-0 | 170 | Both | Right | 6/1/1984 | 22 | Bani,Dominican Republic | 2002 | UDFA | | ARI |
| - | Matt Chico | P | MLB | 5-11 | 190 | Left | Left | 6/10/1983 | 23 | Fullerton,California | 2003 | 3 | 96 | ARI |
| - | Jesus Cota | OF | AAA | 6-3 | 215 | Left | Right | 11/7/1981 | 24 | Hermosillo,Mexico | 2000 | 14 | 429 | ARI |
| - | Jamie D'Antona | 3B | MLB | 6-2 | 215 | Right | Right | 5/12/1982 | 24 | Trumbull,Connecticut | 2003 | 2 | 66 | ARI |
| - | Matt Elliott | P | AA | 6-0 | 175 | Right | Right | 4/6/1984 | 22 | Las Vegas,Nevada | 2003 | 22 | 648 | CLE |
| - | Alex Frazier | OF | AA | 6-4 | 210 | Right | Right | 12/21/1980 | 25 | Ocala,Florida | 2001 | 30 | 908 | ARI |
| - | Steve Garrabrants | OF | AAA | 5-10 | 170 | Right | Right | 11/18/1981 | 24 | Phoenix,Arizona | 2003 | UDFA | | ARI |
| - | Jerry Gil | P | MLB | 6-3 | 183 | Right | Right | 10/14/1982 | 23 | San Pedro de Macoris,Dominican Republic | 1999 | UDFA | | ARI |
| - | Dustin Glant | P | AAA | 6-2 | 200 | Right | Right | 7/20/1981 | 24 | Decatur,Indiana | 2003 | 7 | 216 | ARI |
| - | Alberto Gonzalez | SS-3B | MLB | 5-11 | 160 | Right | Right | 4/18/1983 | 23 | Barquisimeto,Venezuela | 2002 | UDFA | | ARI |
| - | Carlos Gonzalez | LF | MLB | 6-1 | 170 | Left | Left | 10/17/1985 | 20 | Maracaibo,Venezuela | 2002 | UDFA | | ARI |
| - | Clint Goocher | P | AAA | 6-2 | 200 | Left | Left | 6/15/1982 | 24 | Houston,Texas | 2002 | 31 | 939 | ARI |
| - | Adam Haley | SS | AA | 6-0 | 175 | Left | Right | 9/4/1980 | 25 | Louisville,Kentucky | 2002 | 13 | 399 | ARI |
| - | Steven Jackson | P | MLB | 6-5 | 215 | Right | Right | 3/15/1982 | 24 | Eutawville,South Carolina | 2004 | 10 | 296 | ARI |
| - | Chris Kinsey | P | AAA | 6-3 | 215 | Right | Right | 10/18/1982 | 23 | Elk Grove,California | 2003 | 4 | 126 | ARI |
| - | Garrett Mock | P | MLB | 6-4 | 215 | Right | Right | 4/25/1983 | 23 | Houston,Texas | 2004 | 3 | 86 | ARI |
| - | Miguel Montero | C | MLB | 5-11 | 180 | Left | Right | 7/9/1982 | 23 | Caracas,Venezuela | 2001 | UDFA | | ARI |
| - | Matt Morgan | SS | AAA | 6-2 | 190 | Right | Right | 8/10/1981 | 24 | Visalia,California | 2002 | 18 | 549 | ARI |
| - | Agustin Murillo | 3B | AAA | 6-3 | 195 | Right | Right | 5/5/1982 | 24 | Tijuana,Mexico | 2002 | UDFA | | ARI |
| - | Bill Murphy | P | MLB | 6-0 | 190 | Left | Left | 5/9/1981 | 25 | Yorba Linda,California | 2002 | 3 | 98 | OAK |
| - | Ross Ohlendorf | P | MLB | 6-4 | 235 | Right | Right | 8/8/1982 | 23 | Austin,Texas | 2004 | 4 | 116 | ARI |
| - | Micah Owings | P | MLB | 6-5 | 220 | Right | Right | 9/28/1982 | 23 | Gainesville,Georgia | 2005 | 3 | 83 | ARI |
| - | Tony Pena | P | MLB | 6-1 | 220 | Right | Right | 1/9/1982 | 24 | San Pedro de Macoris,Dominican Republic | 2002 | UDFA | | ARI |
| - | Mark Reynolds | 1B | MLB | 6-1 | 200 | Right | Right | 8/3/1983 | 22 | Pikeville,Kentucky | 2004 | 16 | 476 | ARI |
| - | Danny Richar | 2B | MLB | 5-11 | 165 | Right | Right | 6/9/1983 | 23 | La Romana,Dominican Republic | 2001 | UDFA | | ARI |
| - | Mike Schultz | P | MLB | 6-7 | 210 | Right | Right | 11/28/1979 | 26 | Van Nuys,California | 2000 | 2 | 69 | ARI |
| - | A.J. Shappi | P | AAA | 6-2 | 200 | Right | Right | 10/16/1982 | 23 | Orange,California | 2004 | 9 | 266 | ARI |
| - | Doug Slaten | P | MLB | 6-5 | 190 | Left | Left | 2/4/1980 | 26 | Venice,California | 2000 | 17 | 519 | ARI |
| - | Greg Smith | P | MLB | 6-2 | 190 | Left | Left | 12/22/1983 | 22 | Alexandria,Louisiana | 2005 | 6 | 171 | ARI |
| - | Bill White | P | MLB | 6-3 | 210 | Left | Left | 11/20/1978 | 27 | Louisville,Kentucky | 2000 | 3 | 99 | ARI |
| - | Matt Wilkinson | P | AA | 6-3 | 200 | Left | Right | 10/25/1977 | 28 | Geelong,Australia | 2001 | 45 | 1349 | ARI |
| - | Jon Zeringue | OF | AA | 6-2 | 215 | Right | Right | 3/29/1983 | 23 | Thibodaux,Louisiana | 2004 | 2 | 56 | ARI |