Andrew Bailey career ERA
3.22Career Regular Season
Andrew Bailey has a career ERA of 3.22 over 8 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2009 |  ATH | 68 | 6 | 3 | 1.84 | 83.1 | 91 | 24 | 0.88 | 26 |
| 2010 | ATH | 47 | 1 | 3 | 1.47 | 49.0 | 42 | 13 | 0.96 | 25 |
| 2011 | ATH | 42 | 0 | 4 | 3.24 | 41.2 | 41 | 12 | 1.10 | 24 |
| 2012 |  BOS | 19 | 1 | 1 | 7.04 | 15.1 | 14 | 8 | 1.89 | 6 |
| 2013 | BOS | 30 | 3 | 1 | 3.77 | 28.2 | 39 | 12 | 1.22 | 8 |
| 2015 |  NYY | 10 | 0 | 1 | 8.31 | 8.2 | 6 | 5 | 1.73 | 0 |
| 2016 |  PHI/LAA | 45 | 3 | 1 | 5.36 | 43.2 | 41 | 17 | 1.33 | 6 |
| 2017 | LAA | 4 | 2 | 0 | 0.00 | 4.0 | 2 | 0 | 0.25 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
- Best season on file: 0.00 in 2017.
Figures come from ESPN's box scores and were last read on October 30, 2026.