Jason Hammel career WHIP
1.37Career Regular Season
Jason Hammel has a career WHIP of 1.37 over 13 regular seasons.
- Best season on file: 1.12 in 2014.
- Most recent: 1.63 in 2018.
Average of 13 regular seasons, 2006 through 2018. Figures come from ESPN's box scores and were last read on September 22, 2026.
| GP: Games the player appeared in, however briefly. | W: Games in which this pitcher was credited with the win. | L: Games in which this pitcher was charged with the loss. | ERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent. | IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs. | K: Batters this pitcher struck out. | BB: Times the batter reached first base on four balls. | WHIP: Walks and hits allowed per inning pitched — lower is better. Around 1.00 is elite. | SV: Games finished by protecting a narrow lead to the last out. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2006 |  TB | 9 | 0 | 6 | 7.77 | 44.0 | 32 | 21 | 1.86 | 0 |
| 2007 | TB | 24 | 3 | 5 | 6.14 | 85.0 | 64 | 40 | 1.65 | 0 |
| 2008 | TB | 40 | 4 | 4 | 4.60 | 78.1 | 44 | 35 | 1.51 | 2 |
| 2009 |  COL | 34 | 10 | 8 | 4.33 | 176.2 | 133 | 42 | 1.39 | 0 |
| 2010 | COL | 30 | 10 | 9 | 4.81 | 177.2 | 141 | 47 | 1.40 | 0 |
| 2011 | COL | 32 | 7 | 13 | 4.76 | 170.1 | 94 | 68 | 1.43 | 1 |
| 2012 |  BAL | 20 | 8 | 6 | 3.43 | 118.0 | 113 | 42 | 1.24 | 0 |
| 2013 | BAL | 26 | 7 | 8 | 4.97 | 139.1 | 96 | 48 | 1.46 | 1 |
| 2014 |  CHC/ATH | 30 | 10 | 11 | 3.47 | 176.1 | 158 | 44 | 1.12 | 0 |
| 2015 |  CHC | 31 | 10 | 7 | 3.74 | 170.2 | 172 | 40 | 1.16 | 0 |
| 2016 | CHC | 30 | 15 | 10 | 3.83 | 166.2 | 144 | 53 | 1.21 | 0 |
| 2017 |  KC | 32 | 8 | 13 | 5.29 | 180.1 | 145 | 48 | 1.43 | 0 |
| 2018 | KC | 39 | 4 | 14 | 6.02 | 127.0 | 92 | 39 | 1.63 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV