Jason Jennings
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| 33-year-old Pitcher |
| Oakland Athletics |
| |
| Date of Birth: July 17, 1978 |
| Height: 6-2 Weight: 235 |
| Bats/Throws: L/R |
| Drafted: Round 1 of 1999 draft |
Basic Statistics
| Basic Statistics |
| Year | Age | | Team | G | W | L | IP | TBF | H | 2B | 3B | HR | R | ER | BB | K | ERA | WHIP | RA9 |
| 2005 | 27 | MLB | Colorado Rockies | 20 | 6 | 9 | 122.0 | 548 | 130 | | | 11 | 73 | 68 | 62 | 75 | 5.02 | 1.57 | 5.39 |
| 2006 | 28 | MLB | Colorado | 32 | 9 | 13 | 212.0 | 902 | 206 | 31 | 8 | 17 | 94 | 89 | 85 | 142 | 3.78 | 1.37 | 3.99 |
| 2007 | 29 | AA | Corpus Christi | 1 | 0 | 0 | 5.0 | 17 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0.00 | 0.80 | 0.00 |
| 2007 | 29 | AAA | Round Rock | 1 | 0 | 0 | 3.1 | 18 | 3 | 0 | 0 | 0 | 4 | 4 | 5 | 2 | 10.81 | 2.40 | 10.81 |
| 2007 | 29 | MLB | Houston | 19 | 2 | 9 | 99.0 | 445 | 119 | 28 | 1 | 19 | 73 | 71 | 34 | 71 | 6.45 | 1.54 | 6.64 |
| 2008 | 30 | MLB | Texas | 6 | 0 | 5 | 27.1 | 135 | 35 | 8 | 0 | 8 | 27 | 26 | 18 | 12 | 8.56 | 1.93 | 8.89 |
| 2009 | 31 | MLB | Texas | 44 | 2 | 4 | 61.0 | 272 | 67 | 14 | 2 | 7 | 31 | 28 | 28 | 44 | 4.13 | 1.55 | 4.57 |
| 2010 | 32 | Rookie | AZL Athletics | 3 | 0 | 0 | 9.0 | 35 | 3 | 0 | 0 | 0 | 2 | 1 | 3 | 10 | 1.00 | 0.66 | 2.00 |
| 2010 | 32 | AAA | Sacramento | 3 | 0 | 0 | 13.0 | 61 | 16 | 6 | 1 | 1 | 9 | 9 | 4 | 9 | 6.23 | 1.53 | 6.23 |
| Extended Statistics |
| Year | Age | | Team | BB/PA | K/PA | BABIP | GB% | HR/Air | FIP | BsRA9 |
| 2005 | 27 | MLB | Colorado Rockies | 11.3% | 13.7% | .325 | | | 4.79 | |
| 2006 | 28 | MLB | Colorado | 9.4% | 15.7% | .295 | 47% | 5% | 4.05 | 4.24 |
| 2007 | 29 | AA | Corpus Christi | 5.9% | 11.8% | .214 | 50% | 0% | 3.02 | 1.32 |
| 2007 | 29 | AAA | Round Rock | 27.8% | 11.1% | .300 | 36% | 0% | 6.81 | 5.95 |
| 2007 | 29 | MLB | Houston | 7.6% | 16.0% | .329 | 37% | 9% | 5.33 | 6.39 |
| 2008 | 30 | MLB | Texas | 13.3% | 8.9% | .290 | 45% | 14% | 8.18 | 9.02 |
| 2009 | 31 | MLB | Texas | 10.3% | 16.2% | .331 | 45% | 7% | 4.67 | 5.42 |
| 2010 | 32 | Rookie | AZL Athletics | 8.6% | 28.6% | .143 | 50% | 0% | 3.04 | 0.77 |
| 2010 | 32 | AAA | Sacramento | 6.6% | 14.8% | .349 | 45% | 4% | 4.59 | 5.27 |
Extended Statistics
2010: Sacramento | 2009: Texas | 2008: Texas
| Split Statistics with Sacramento in 2010 |
| Split | IP | TBF | BB/PA | K/PA | BABIP | GB% | ERA |
| August | 8.0 | 36 | 8.3% | 16.7% | .250 | 50% | 3.38 |
| September | 5.0 | 25 | 4.0% | 12.0% | .474 | 40% | 10.80 |
| AWAY | 8.0 | 41 | 9.8% | 12.2% | .429 | 46% | 9.00 |
| HOME | 5.0 | 20 | 0.0% | 20.0% | .200 | 43% | 1.80 |
