Aroldis Chapman career ERA
2.49Career Regular Season
Aroldis Chapman has a career ERA of 2.49 over 17 regular seasons.
- Best season on file: 1.17 in 2025.
- Most recent: 1.95 in 2026.
Average of 17 regular seasons, 2010 through 2026. 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2010 |  CIN | 15 | 2 | 2 | 2.03 | 13.1 | 19 | 5 | 1.05 | 0 |
| 2011 | CIN | 54 | 4 | 1 | 3.60 | 50.0 | 71 | 41 | 1.30 | 1 |
| 2012 | CIN | 68 | 5 | 5 | 1.51 | 71.2 | 122 | 23 | 0.81 | 38 |
| 2013 | CIN | 68 | 4 | 5 | 2.54 | 63.2 | 112 | 29 | 1.04 | 38 |
| 2014 | CIN | 54 | 0 | 3 | 2.00 | 54.0 | 106 | 24 | 0.83 | 36 |
| 2015 | CIN | 65 | 4 | 4 | 1.63 | 66.1 | 116 | 33 | 1.15 | 33 |
| 2016 |  NYY/CHC | 59 | 4 | 1 | 1.55 | 58.0 | 90 | 18 | 0.86 | 36 |
| 2017 |  NYY | 52 | 4 | 3 | 3.22 | 50.1 | 69 | 20 | 1.13 | 22 |
| 2018 | NYY | 55 | 3 | 0 | 2.45 | 51.1 | 93 | 30 | 1.05 | 32 |
| 2019 | NYY | 60 | 3 | 2 | 2.21 | 57.0 | 85 | 25 | 1.11 | 37 |
| 2020 | NYY | 13 | 1 | 1 | 3.09 | 11.2 | 22 | 4 | 0.86 | 3 |
| 2021 | NYY | 61 | 6 | 4 | 3.36 | 56.1 | 97 | 38 | 1.31 | 30 |
| 2022 | NYY | 43 | 4 | 4 | 4.46 | 36.1 | 43 | 28 | 1.43 | 9 |
| 2023 |  KC/TEX | 61 | 6 | 5 | 3.09 | 58.1 | 103 | 36 | 1.25 | 6 |
| 2024 |  PIT | 68 | 5 | 5 | 3.79 | 61.2 | 98 | 39 | 1.35 | 14 |
| 2025 |  BOS | 67 | 5 | 3 | 1.17, led the MLB | 61.1 | 85 | 15 | 0.70, led the MLB | 32 |
| 2026 | BOS | 52 | 3 | 4 | 1.95 | 50.2 | 68 | 23 | 1.14 | 34 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV
Bold marks the best figure in the MLB that season, among players with at least 30 games.
