James Shields career ERA
4.01Career Regular Season
James Shields has a career ERA of 4.01 over 13 regular seasons.
| 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 | 21 | 6 | 8 | 4.84 | 124.2 | 104 | 38 | 1.44 | 0 |
| 2007 | TB | 31 | 12 | 8 | 3.85 | 215.0 | 184 | 36 | 1.11 | 0 |
| 2008 | TB | 33 | 14 | 8 | 3.56 | 215.0 | 160 | 40 | 1.15 | 0 |
| 2009 | TB | 33 | 11 | 12 | 4.14 | 219.2 | 167 | 52 | 1.32 | 0 |
| 2010 | TB | 34 | 13 | 15 | 5.18 | 203.1 | 187 | 51 | 1.46 | 0 |
| 2011 | TB | 33 | 16 | 12 | 2.82 | 249.1 | 225 | 65 | 1.04 | 0 |
| 2012 | TB | 33 | 15 | 10 | 3.52 | 227.2 | 223 | 58 | 1.17 | 0 |
| 2013 |  KC | 34 | 13 | 9 | 3.15 | 228.2 | 196 | 68 | 1.24 | 0 |
| 2014 | KC | 34 | 14 | 8 | 3.21 | 227.0 | 180 | 44 | 1.18 | 0 |
| 2015 |  SD | 33 | 13 | 7 | 3.91 | 202.1 | 216 | 81 | 1.33 | 0 |
| 2016 |  SD/CHW | 33 | 6 | 19 | 5.85 | 181.2 | 135 | 82 | 1.60 | 0 |
| 2017 | CHW | 21 | 5 | 7 | 5.23 | 117.0 | 103 | 53 | 1.44 | 0 |
| 2018 | CHW | 34 | 7 | 16 | 4.53 | 204.2 | 154 | 78 | 1.31 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
- Best season on file: 2.82 in 2011.
- Most recent: 4.53 in 2018.
Average of 13 regular seasons, 2006 through 2018. Figures come from ESPN's box scores and were last read on October 25, 2026.