Corey Kluber ERA in 2021
3.832021 Regular Season
Corey Kluber posted a 3.83 ERA in the 2021 regular season.
- 7th-best of Corey Kluber's 13 seasons on file; the best is 0.00 in 2020.
- Up 3.83 from 0.00 in 2020.
Average of 13 regular seasons, 2011 through 2023. 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. | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 2011 |  CLE | 3 | 0 | 0 | 8.31 | 4.1 | 5 | 3 | 2.08 | 0 |
| 2012 | CLE | 12 | 2 | 5 | 5.14 | 63.0 | 54 | 18 | 1.49 | 0 |
| 2013 | CLE | 26 | 11 | 5 | 3.85 | 147.1 | 136 | 33 | 1.26 | 0 |
| 2014 | CLE | 34 | 18 | 9 | 2.44 | 235.2 | 269 | 51 | 1.09 | 0 |
| 2015 | CLE | 32 | 9 | 16 | 3.49 | 222.0 | 245 | 45 | 1.05 | 0 |
| 2016 | CLE | 32 | 18 | 9 | 3.14 | 215.0 | 227 | 57 | 1.06 | 0 |
| 2017 | CLE | 29 | 18 | 4 | 2.25 | 203.2 | 265 | 36 | 0.87 | 0 |
| 2018 | CLE | 33 | 20 | 7 | 2.89 | 215.0 | 222 | 34 | 0.99 | 0 |
| 2019 | CLE | 7 | 2 | 3 | 5.80 | 35.2 | 38 | 15 | 1.65 | 0 |
| 2020 |  TEX | 1 | 0 | 0 | 0.00 | 1.0 | 1 | 1 | 1.00 | 0 |
| 2021 |  NYY | 16 | 5 | 3 | 3.83 | 80.0 | 82 | 33 | 1.34 | 0 |
| 2022 |  TB | 31 | 10 | 10 | 4.34 | 164.0 | 139 | 21 | 1.21 | 0 |
| 2023 |  BOS | 15 | 3 | 6 | 7.04 | 55.0 | 42 | 21 | 1.64 | 1 |
What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV