Darren O'Day career ERA
2.59Career Regular Season
Darren O'Day has a career ERA of 2.59 over 15 regular seasons.
- Best season on file: 1.10 in 2020.
- Most recent: 4.15 in 2022.
Average of 15 regular seasons, 2008 through 2022. Figures come from ESPN's box scores and were last read on September 23, 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2008 |  LAA | 30 | 0 | 1 | 4.57 | 43.1 | 29 | 14 | 1.45 | 0 |
| 2009 |  NYM/TEX | 68 | 2 | 1 | 1.84 | 58.2 | 56 | 18 | 1.01 | 2 |
| 2010 | TEX | 72 | 6 | 2 | 2.03 | 62.0 | 45 | 12 | 0.89 | 0 |
| 2011 | TEX | 16 | 0 | 1 | 5.40 | 16.2 | 18 | 5 | 1.32 | 0 |
| 2012 |  BAL | 69 | 7 | 1 | 2.28 | 67.0 | 69 | 14 | 0.94 | 0 |
| 2013 | BAL | 68 | 5 | 3 | 2.18 | 62.0 | 59 | 15 | 1.00 | 2 |
| 2014 | BAL | 68 | 5 | 2 | 1.70 | 68.2 | 73 | 19 | 0.89 | 4 |
| 2015 | BAL | 68 | 6 | 2 | 1.52 | 65.1 | 82 | 14 | 0.93 | 6 |
| 2016 | BAL | 34 | 3 | 1 | 3.77 | 31.0 | 38 | 13 | 1.23 | 3 |
| 2017 | BAL | 64 | 2 | 3 | 3.43 | 60.1 | 76 | 24 | 1.08 | 2 |
| 2018 | BAL | 20 | 0 | 2 | 3.60 | 20.0 | 27 | 4 | 1.10 | 2 |
| 2019 |  ATL | 8 | 0 | 0 | 1.69 | 5.1 | 6 | 1 | 0.75 | 0 |
| 2020 | ATL | 19 | 4 | 0 | 1.10 | 16.1 | 22 | 5 | 0.80 | 0 |
| 2021 |  NYY | 12 | 0 | 0 | 3.38 | 10.2 | 11 | 4 | 1.22 | 0 |
| 2022 | ATL | 28 | 2 | 2 | 4.15 | 21.2 | 26 | 10 | 1.34 | 0 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV