| - | Ehire Adrianza | SS | AAA | 6-1 | 155 | Both | Right | 8/21/1989 | 18 | Guarenas,Venezuela | 2008 | UDFA | | SF |
|
| - | Scott Barnes | P | MLB | 6-3 | 175 | Left | Left | 9/5/1987 | 20 | Springfield,Massachusetts | 2008 | 8 | 237 | SF |
| - | Drew Bowlin | P | AAA | 6-3 | 189 | Right | Right | 12/28/1986 | 21 | Knoxville,Tennessee | 2007 | 23 | 704 | SF |
| 54 | Jorge Bucardo | P | A+ | 6-1 | 155 | Right | Right | 10/18/1989 | 18 | Leon,Nicaragua | 2008 | UDFA | | SF |
| 51 | Raul Burgos | P | A | 6-1 | 210 | Both | Right | 8/18/1987 | 20 | Puerto Plata,Dominican Republic | 2008 | UDFA | | SF |
| - | Jose Casilla | P | A+ | 6-1 | 180 | Right | Right | 5/21/1989 | 19 | Bani,Dominican Republic | 2008 | UDFA | | SF |
| - | Daniel Cook | 2B | A | 6-3 | 185 | Both | Right | 6/15/1986 | 22 | Miami,Florida | 2008 | 15 | 447 | SF |
| - | Brandon Crawford | SS | MLB | 6-2 | 200 | Left | Right | 1/21/1987 | 21 | Mountain View,California | 2008 | 4 | 117 | SF |
| - | Tayler Creswell | OF | AAA | 6-1 | 170 | Right | Right | 2/11/1987 | 21 | Daly City,California | 2005 | 22 | 672 | SF |
| - | Carlos De La Rosa | P | AAA | 6-2 | 190 | Left | Left | 7/15/1984 | 23 | San Jose de Ocoa,Dominican Republic | 2005 | UDFA | | SF |
| 26 | Wendell Fairley | RF-LF | AA | 6-2 | 196 | Left | Right | 3/17/1988 | 20 | Lucedale,Mississippi | 2007 | 1 | 29 | SF |
| - | Justin Fitzgerald | P | AA | 6-5 | 225 | Right | Right | 3/3/1986 | 22 | Santa Rosa,California | 2008 | 11 | 327 | SF |
| 15 | Rob Flanigan | 1B | RK | 6-4 | 230 | Left | Right | 8/14/1987 | 20 | Monroe,Georgia | 2008 | 29 | 867 | SF |
| - | Vladimir Frias | RF-LF | AA | 6-2 | 170 | Both | Right | 9/6/1986 | 21 | Los Alcanzzas,Dominican Republic | 2008 | 30 | 897 | SF |
| - | Gregorio Geronimo | P | RK | 6-3 | 195 | Left | Left | 12/18/1986 | 21 | San Jose de Ocoa,Dominican Republic | 2007 | UDFA | | SF |
| - | Conor Gillaspie | 3B | MLB | 6-1 | 195 | Left | Right | 7/18/1987 | 20 | Omaha,Nebraska | 2008 | 1 | 37 | SF |
| 49 | Brandon Grabham | P | A- | 6-5 | 220 | Right | Right | 1/30/1986 | 22 | Sherman,Texas | 2007 | 41 | 1227 | SF |
| 61 | Javier Hernandez | OF | A- | 6-3 | 175 | Right | Right | 9/27/1987 | 20 | San Felipe,Venezuela | 2008 | UDFA | | SF |
| - | Aaron Hornostaj | 2B | AAA | 6-1 | 180 | Left | Right | 5/19/1983 | 25 | Woodstock,Ontario | 2001 | 34 | 1036 | SF |
| - | Jason Jarvis | P | A | 6-2 | 190 | Right | Right | 10/1/1987 | 20 | Concord,California | 2008 | 23 | 687 | SF |
| 63 | Andrew Kerth | P | RK | 6-4 | 210 | Right | Right | 5/6/1985 | 23 | New Orleans,Louisiana | 2007 | UDFA | | SF |
| - | Aaron KIng | P | AAA | 6-4 | 205 | Left | Left | 4/27/1989 | 19 | Newton,North Carolina | 2008 | 7 | 207 | SF |
| - | John King | P | RK | 6-3 | 180 | Right | Right | 7/5/1985 | 22 | Fayetteville,North Carolina | 2007 | 17 | 524 | SF |
| - | Justin Leone | 3B | MLB | 6-1 | 190 | Right | Right | 3/9/1977 | 31 | Las Vegas,Nevada | 1999 | 13 | 395 | SEA |
| 12 | Brooks Lindsley | SS | A- | 6-0 | 190 | Right | Right | 10/25/1986 | 21 | Vancouver,Washington | 2008 | 18 | 537 | SF |
| - | Mitch Lively | P | AAA | 6-5 | 230 | Right | Right | 9/7/1985 | 22 | Susanville,California | 2007 | 16 | 492 | COL |
| 1 | Josh Lopez | SS | RK | 5-9 | 165 | Right | Right | 1/31/1989 | 19 | Bayamon,Puerto Rico | 2007 | 31 | 944 | SF |
| 9 | Aaron Lowenstein | C | AA | 6-1 | 195 | Right | Right | 6/9/1985 | 23 | Los Angeles,California | 2008 | 44 | 1317 | SF |
| - | Ryan Mantle | OF | AAA | 6-3 | 210 | Right | Right | 7/12/1986 | 21 | St. Louis,Missouri | 2008 | 19 | 567 | SF |
| - | Kelvin Marte | P | A+ | 5-9 | 175 | Left | Left | 11/24/1987 | 20 | Santo Domingo,Dominican Republic | 2008 | UDFA | | SF |
| - | Roberto Martinez | P | RK | 6-2 | 170 | Left | Left | 5/5/1986 | 22 | San Pedro de Macoris,Dominican Republic | 2006 | UDFA | | SF |
| - | Josh Mazzola | 1B | A+ | 6-2 | 195 | Right | Right | 4/10/1986 | 22 | Santee,California | 2008 | UDFA | | SF |
| 32 | Jose Medina | P | A+ | 6-3 | 165 | Right | Right | 3/19/1987 | 21 | Jimani,Dominican Republic | 2007 | UDFA | | CIN |
| - | Johnny Monell | C | AAA | 5-11 | 205 | Left | Right | 3/27/1986 | 22 | Bronx,New York | 2007 | 30 | 914 | SF |
| 5 | Jesus Navarro | C | AAA | 6-1 | 186 | Right | Right | 1/3/1988 | 20 | Mazatlan,Mexico | 2008 | UDFA | | SF |
| - | Kyle Nicholson | P | A+ | 5-11 | 205 | Right | Right | 7/31/1985 | 22 | Erie,Pennsylvania | 2007 | 7 | 224 | SF |
| 56 | Meroly Nova | P | RK | 6-6 | 165 | Left | Left | 4/16/1986 | 22 | Azua,Dominican Republic | 2008 | UDFA | | SF |
| - | Steve Palazzolo | P | AAA | 6-10 | 260 | Right | Right | 3/31/1982 | 26 | Winchester,Massachusetts | | UDFA | | |
| 66 | Geomar Patino | P | RK | 6-3 | 218 | Right | Right | 1/21/1987 | 21 | Sucre,Venezuela | 2007 | UDFA | | SF |
| - | Nathan Pendley | P | A+ | 6-4 | 220 | Left | Left | 9/5/1981 | 26 | Albany,Oregon | 2004 | 19 | 580 | SF |
| - | Buster Posey | C | MLB | 6-1 | 205 | Right | Right | 3/27/1987 | 21 | Leesburg,Georgia | 2008 | 1 | 5 | SF |
| 35 | Ryne Price | OF | A- | 5-11 | 190 | Left | Right | 5/27/1986 | 22 | Palo Alto,California | 2008 | 33 | 987 | SF |
| - | Carlos Quintana | 3B | A- | 6-3 | 180 | Right | Right | 6/14/1987 | 21 | Caracas,Venezuela | 2008 | UDFA | | SF |
| 47 | Mario Rodriguez | P | A | 6-2 | 190 | Left | Left | 8/21/1988 | 19 | Santo Domingo,Dominican Republic | 2008 | UDFA | | SF |
| - | Jesse Shriner | C | AAA | 6-0 | 195 | Right | Right | 2/24/1985 | 23 | Wheat Ridge,Colorado | 2008 | UDFA | | SF |
| - | Eric Surkamp | P | MLB | 6-5 | 220 | Left | Left | 7/16/1987 | 20 | Cincinnati,Ohio | 2008 | 6 | 177 | SF |
| - | Cesar Valentin | SS | RK | 5-11 | 155 | Right | Right | 10/19/1988 | 19 | Moca,Puerto Rico | 2006 | 32 | 959 | CHC |
| - | Ryan Verdugo | P | MLB | 6-0 | 195 | Left | Left | 4/10/1987 | 21 | Lake Stevens,Washington | 2008 | 9 | 267 | SF |
| - | Trey Webb | SS | AA | 6-0 | 170 | Right | Right | 2/11/1982 | 26 | Dallas,Texas | 2003 | 5 | 147 | MTL |
| - | Joel Weeks | C-SS | AA | 5-9 | 185 | Both | Right | 11/30/1984 | 23 | Long Beach,California | 2008 | UDFA | | SF |
| - | Christopher Wilson | P | AA | 6-4 | 190 | Right | Right | 11/27/1986 | 21 | Orange,California | 2008 | 38 | 1137 | SF |
| - | Ben Woodbury | OF | A | 5-10 | 175 | Right | Right | 2/21/1986 | 22 | West Plains,Missouri | 2008 | UDFA | | SF |
| 52 | Kyle Woodruff | P | A+ | 6-6 | 230 | Right | Right | 5/2/1986 | 22 | Santa Cruz,California | 2008 | 27 | 807 | SF |
| 21 | C.J. Ziegler | 1B | AAA | 6-4 | 225 | Right | Right | 11/27/1985 | 22 | Tucson,Arizona | 2008 | 16 | 477 | SF |