| 18 | Ehire Adrianza | SS | AAA | 6-1 | 155 | Both | Right | 8/21/1989 | 18 | Guarenas,Venezuela | 2008 | UDFA | | SF |
|
| 39 | Mike Ambort | C | AA | 6-1 | 215 | Both | Right | 4/23/1985 | 23 | Rockville Centre,New York | 2007 | 6 | 194 | SF |
| - | Scott Barnes | P | MLB | 6-3 | 175 | Left | Left | 9/5/1987 | 20 | Springfield,Massachusetts | 2008 | 8 | 237 | SF |
| - | Chris Begg | P | AAA | 6-4 | 195 | Right | Right | 9/12/1979 | 28 | Uxbridge,Ontario | 2003 | UDFA | | SF |
| 12 | Casey Bond | OF | AAA | 6-3 | 205 | Right | Right | 10/5/1984 | 23 | San Francisco,California | 2007 | 25 | 764 | SF |
| - | Drew Bowlin | P | AAA | 6-3 | 189 | Right | Right | 12/28/1986 | 21 | Knoxville,Tennessee | 2007 | 23 | 704 | SF |
| - | Morgan Brinson | P | A- | 6-3 | 181 | Right | Right | 12/11/1986 | 21 | Victoria,British Columbia | 2004 | 32 | 970 | SF |
| 13 | Wilber Bucardo | P | A- | 6-1 | 190 | Right | Right | 11/20/1987 | 20 | Leon,Nicaragua | 2007 | 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 |
| 1 | Caleb Curry | OF | A- | 6-0 | 175 | Right | Right | 4/23/1986 | 22 | Alexandria,Minnesota | 2008 | 14 | 417 | SF |
| 6 | Joseph Edens | P | A- | 5-10 | 193 | Right | Right | 9/26/1984 | 23 | Fayetteville,Georgia | 2007 | 44 | 1305 | SF |
| 45 | Michael Eifel | P | A- | 6-4 | 232 | Right | Right | 8/13/1985 | 22 | Midlothian,Illinois | 2008 | 21 | 627 | SF |
| 32 | Justin Fitzgerald | P | AA | 6-5 | 225 | Right | Right | 3/3/1986 | 22 | Santa Rosa,California | 2008 | 11 | 327 | SF |
| 15 | Jose Flores | 3B-2B | AAA | 5-11 | 195 | Both | Right | 8/17/1987 | 20 | Aragua,Venezuela | 2006 | UDFA | | SF |
| 21 | Vladimir Frias | RF-LF | AA | 6-2 | 170 | Both | Right | 9/6/1986 | 21 | Los Alcanzzas,Dominican Republic | 2008 | 30 | 897 | SF |
| - | Conor Gillaspie | 3B | MLB | 6-1 | 195 | Left | Right | 7/18/1987 | 20 | Omaha,Nebraska | 2008 | 1 | 37 | SF |
| - | Gib Hobson | P | A | 6-3 | 195 | Right | Right | 1/13/1985 | 23 | Salisbury,North Carolina | 2006 | 11 | 326 | SF |
| 28 | Brian Irving | P | A | 6-2 | 205 | Right | Right | 4/24/1986 | 22 | Hamden,Connecticut | 2008 | 17 | 507 | SF |
| 30 | Jason Jarvis | P | A | 6-2 | 190 | Right | Right | 10/1/1987 | 20 | Concord,California | 2008 | 23 | 687 | SF |
| 18 | Shane Kaufman | P | AA | 6-0 | 185 | Right | Right | 12/11/1985 | 22 | San Diego,California | 2008 | 28 | 837 | SF |
| - | Aaron KIng | P | AAA | 6-4 | 205 | Left | Left | 4/27/1989 | 19 | Newton,North Carolina | 2008 | 7 | 207 | SF |
| 7 | Trent Kline | C | A+ | 5-9 | 160 | Both | Right | 7/22/1984 | 23 | York,Pennsylvania | 2007 | 49 | 1420 | SF |
| - | Brooks Lindsley | SS | A- | 6-0 | 190 | Right | Right | 10/25/1986 | 21 | Vancouver,Washington | 2008 | 18 | 537 | SF |
| 43 | Mike Loberg | OF | A | 6-4 | 225 | Left | Right | 3/24/1985 | 23 | Coon Rapids,Minnesota | 2007 | 33 | 1002 | SF |
| 46 | Mike Loree | P | AA | 6-6 | 218 | Right | Right | 9/14/1986 | 21 | Summitt,New Jersey | 2007 | 50 | 1441 | SF |
| 5 | Ryan Lormand | SS | AAA | 6-0 | 170 | Right | Right | 10/30/1985 | 22 | Lafayette,Louisiana | 2008 | 26 | 777 | SF |
| - | Jeremiah Luster | SS | AAA | 5-10 | 175 | Right | Right | 8/31/1986 | 21 | Oceanside,California | 2004 | 18 | 550 | SF |
| - | Steve MacFarland | P | A | 6-2 | 215 | Right | Right | 11/17/1985 | 22 | Newburgh,New York | 2006 | 9 | 260 | PIT |
| 17 | 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 |
| 16 | Johnny Monell | C | AAA | 5-11 | 205 | Left | Right | 3/27/1986 | 22 | Bronx,New York | 2007 | 30 | 914 | SF |
| 14 | Jason Neitz | P | A- | 6-0 | 170 | Left | Left | 4/24/1984 | 24 | Lewisburg,Pennsylvania | 2007 | 37 | 1117 | SF |
| 17 | J.J. Pannell | P | A- | 6-1 | 180 | Right | Right | 9/22/1985 | 22 | Springfield,Virginia | 2007 | 38 | 1145 | SF |
| 8 | Francisco Peguero | RF | MLB | 6-0 | 175 | Right | Right | 6/1/1988 | 20 | Nigua,Dominican Republic | 2008 | UDFA | | SF |
| - | Buster Posey | C | MLB | 6-1 | 205 | Right | Right | 3/27/1987 | 21 | Leesburg,Georgia | 2008 | 1 | 5 | SF |
| - | Carlos Quintana | 3B | A- | 6-3 | 180 | Right | Right | 6/14/1987 | 21 | Caracas,Venezuela | 2008 | UDFA | | SF |
| 35 | Edwin Quirarte | P | AA | 6-2 | 205 | Right | Right | 12/20/1986 | 21 | Ventura,California | 2008 | 5 | 147 | SF |
| 31 | Andy Reichard | P | AA | 6-4 | 235 | Right | Right | 12/4/1984 | 23 | State College,Pennsylvania | 2007 | 13 | 404 | SF |
| 34 | Ari Ronick | P | AA | 6-5 | 205 | Left | Left | 3/25/1986 | 22 | Portland,Oregon | 2008 | 12 | 357 | SF |
| 41 | Dan Runzler | P | MLB | 6-4 | 215 | Left | Left | 3/30/1985 | 23 | Santa Monica,California | 2007 | 9 | 284 | SF |
| 40 | Eric Stolp | P | A+ | 6-3 | 182 | Right | Right | 8/18/1984 | 23 | Ojai,California | 2006 | 14 | 416 | SF |
| 2 | Skyler Stromsmoe | SS-RF | AAA | 5-10 | 170 | Both | Right | 3/30/1984 | 24 | Bow Island,Alberta | 2007 | UDFA | | SF |
| 36 | Eric Surkamp | P | MLB | 6-5 | 220 | Left | Left | 7/16/1987 | 20 | Cincinnati,Ohio | 2008 | 6 | 177 | SF |
| 22 | 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 |
| 29 | Christopher Wilson | P | AA | 6-4 | 190 | Right | Right | 11/27/1986 | 21 | Orange,California | 2008 | 38 | 1137 | SF |
| 33 | Damon Wright | C | A- | 6-3 | 205 | Right | Right | 10/28/1985 | 22 | Dallas,Texas | 2008 | 25 | 747 | SF |
| 38 | Orlando Yntema | P | A | 6-3 | 180 | Right | Right | 2/21/1986 | 22 | Puerto Plata,Dominican Republic | 2003 | UDFA | | SF |
| 20 | Eliezer Zambrano | C | AA | 5-10 | 184 | Both | Right | 9/16/1986 | 21 | Valencia,Venezuela | 2007 | UDFA | | SF |