| 28 | J.R. Aguirre | OF | NCAA | 5-10 | 160 | Right | Right | 9/13/1990 | 20 | Palos Verdes Estates,California | | UDFA | | |
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| 5 | Nick Bast | C | NCAA | 6-0 | 180 | Right | Right | 3/26/1992 | 19 | Upland,California | | UDFA | | |
| 18 | Ryan Bast | IF | NCAA | 6-1 | 175 | Right | Right | 10/4/1989 | 21 | Upland,California | | UDFA | | |
| Nick Berhel | P | NCAA | 6-1 | 180 | Right | Right | 1/31/1990 | 21 | Benicia,California | | UDFA | | |
| 3 | Shane Boras | 2B | RK | 5-8 | 175 | Right | Right | 11/24/1989 | 21 | Newport Coast,California | 2011 | 39 | 1186 | OAK |
| 32 | Ryan Cabral | P | Ind | 6-2 | 200 | Right | Right | 12/2/1988 | 22 | Norwalk,California | | UDFA | | |
| 11 | Omar Cotto | OF-2B | NCAA | 5-11 | 180 | Both | Right | 2/28/1992 | 19 | San Juan,Puerto Rico | 2010 | 12 | 366 | TOR |
| 4 | Joe De Pinto | 3B-2B | AA | 6-1 | 180 | Right | Right | 4/3/1989 | 22 | Sunland,California | 2011 | 21 | 651 | CHW |
| 49 | Brad Douthit | P | NCAA | 6-3 | 185 | Left | Left | 2/7/1990 | 21 | Scottsdale,Arizona | | UDFA | | |
| 7 | Matt Foat | 2B | A | 6-0 | 185 | Right | Right | 3/20/1990 | 21 | Rescue,California | | UDFA | | |
| 14 | Brandon Garcia | LF | A- | 6-0 | 195 | Left | Right | 6/26/1990 | 21 | Las Vegas,Nevada | 2008 | 28 | 848 | MIL |
| 24 | Alex Glenn | RF-LF | A | 5-11 | 180 | Left | Left | 6/11/1991 | 20 | McDonough,Georgia | 2012 | 12 | 393 | ARI |
| 6 | Mike Greco | 3B | NCAA | 6-3 | 205 | Right | Right | 7/29/1988 | 22 | Hinsdale,Illinois | 2007 | 47 | 1377 | ARI |
| 44 | James Guillen | P | NCAA | 6-1 | 185 | Right | Right | 11/18/1991 | 19 | Covina,California | | UDFA | | |
| 8 | Matt Hart | IF | NCAA | 6-1 | 200 | Right | Right | 11/8/1988 | 22 | Tacoma,Washington | | UDFA | | |
| 20 | Jake Hernandez | C | NCAA | 6-1 | 210 | Right | Right | 6/5/1992 | 19 | Rancho Cucamonga,California | 2010 | 22 | 673 | DET |
| 22 | Jordan Hershiser | P | A | 6-8 | 230 | Right | Right | 9/15/1988 | 22 | Dallas,Texas | 2012 | 34 | 1046 | LAD |
| 25 | Garret Houts | OF | NCAA | 6-0 | 190 | Right | Right | 2/8/1989 | 22 | Fort Collins,Colorado | | UDFA | | |
| 2 | Adam Landecker | IF | NCAA | 6-1 | 180 | Right | Right | 2/1/1991 | 20 | Calabasas,California | | UDFA | | |
| 30 | Chris McCaffery | P | NCAA | 6-3 | 195 | Right | Right | 11/2/1988 | 22 | | | UDFA | | |
| 51 | Chris Mezger | P | Ind | 6-10 | 220 | Right | Right | 2/9/1989 | 22 | Boulder,Colorado | | UDFA | | |
| 45 | Ben Mount | P | NCAA | 6-8 | 200 | Right | Right | 9/26/1989 | 21 | Coto de Caza,California | | UDFA | | |
| 29 | Matt Munson | P | NCAA | 6-4 | 205 | Left | Right | 3/11/1991 | 20 | Irvine,California | | UDFA | | |
| 43 | Logan Odom | P | A | 6-6 | 240 | Left | Right | 8/2/1989 | 21 | Central Point,Oregon | 2011 | 8 | 255 | LAA |
| 33 | Ricky Oropesa | 1B | AA | 6-2 | 215 | Left | Right | 12/15/1989 | 21 | Rancho Cucamonga,California | 2011 | 3 | 116 | SF |
| 50 | Kyle Richter | P | NCAA | 6-4 | 205 | Left | Left | 4/17/1991 | 20 | Santa Margarita,California | 2010 | 44 | 1340 | COL |
| 15 | James Roberts | P | NCAA | 6-2 | 180 | Right | Right | 12/11/1991 | 19 | Cupertino,California | 2010 | 42 | 1278 | SF |
| 10 | Kevin Roundtree | C | NCAA | 5-11 | 180 | Left | Right | 1/18/1990 | 21 | Glendora,California | | UDFA | | |
| 40 | Alex Sherrod | P | NCAA | 6-1 | 180 | Left | Right | 2/3/1990 | 21 | Marietta,Georgia | | UDFA | | |
| 16 | Chad Smith | P | A | 6-3 | 210 | Left | Right | 10/2/1989 | 21 | Thousand Oaks,California | 2011 | 17 | 527 | DET |
| 34 | Kevin Swick | C | NCAA | 6-0 | 185 | Right | Right | 7/26/1991 | 19 | La Canada,California | | UDFA | | |
| 31 | Andrew Triggs | P | A+ | 6-3 | 210 | Right | Right | 3/16/1989 | 22 | Nashville,Tennessee | 2012 | 19 | 583 | KC |
| 27 | Bobby Wheatley | P | NCAA | 6-4 | 205 | Left | Left | 2/4/1992 | 19 | Villa Park,California | | UDFA | | |
| 23 | Brett Williams | P | NCAA | 6-1 | 185 | Right | Right | 3/7/1989 | 22 | Newport Beach,California | | UDFA | | |
| 12 | Austin Wood | P | A+ | 6-4 | 205 | Right | Right | 7/11/1990 | 20 | Niceville,Florida | 2011 | 6 | 195 | LAA |