Corey Kluber had an 83-45 record with an ERA of 2.85 and 1,228 strikeouts in 160 appearances between the 2014 and 2018 seasons.
| NAME | SEASON | TM | G | W | L | W% | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | C. Kluber | 2014 |  CLE | 34 | 18 | 9 | .667 | 34 | 2.44 | 269 | 3 | 1 | 0 | 235.2 | 207 | 64 | 72 | 14 | 51 | 6 | 0 | 3 | 951 | 3 | 10.27 | 1.95 | 5.27 | 0.53 | 28.3 | 5.4 | 1.09 | .316 | 2.75 | 63 | 2.34 | 61 | 7.91 | 38.5 |
| 2 | | C. Kluber | 2015 | CLE | 32 | 9 | 16 | .360 | 32 | 3.49 | 245 | 4 | 0 | 0 | 222.0 | 189 | 86 | 92 | 22 | 45 | 11 | 0 | 3 | 886 | 6 | 9.93 | 1.82 | 5.44 | 0.89 | 27.7 | 5.1 | 1.05 | .297 | 3.73 | 85 | 2.96 | 73 | 7.66 | 26.4 |
| 3 | | C. Kluber | 2016 | CLE | 32 | 18 | 9 | .667 | 32 | 3.14 | 227 | 3 | 2 | 0 | 215.0 | 170 | 75 | 82 | 22 | 57 | 7 | 0 | 1 | 860 | 5 | 9.50 | 2.39 | 3.98 | 0.92 | 26.4 | 6.6 | 1.06 | .271 | 3.43 | 72 | 3.25 | 76 | 7.12 | 24.5 |
| 4 | | C. Kluber | 2017 | CLE | 29 | 18 | 4 | .818 | 29 | 2.25 | 265 | 5 | 3 | 0 | 203.2 | 141 | 51 | 56 | 21 | 36 | 5 | 0 | 2 | 777 | 4 | 11.71 | 1.59 | 7.36 | 0.93 | 34.1 | 4.6 | 0.87 | .267 | 2.47 | 50 | 2.49 | 57 | 6.23 | 42.8 |
| 5 | | C. Kluber | 2018 | CLE | 33 | 20 | 7 | .741 | 33 | 2.89 | 222 | 2 | 1 | 0 | 215.0 | 179 | 69 | 75 | 25 | 34 | 3 | 0 | 0 | 842 | 2 | 9.29 | 1.42 | 6.53 | 1.05 | 26.4 | 4.0 | 0.99 | .276 | 3.14 | 66 | 3.12 | 74 | 7.49 | 26.5 |
| Total | 160 | 83 | 45 | .648 | 160 | 2.85 | 1,228 | 17 | 7 | 0 | 1091.1 | 886 | 345 | 377 | 104 | 223 | 32 | 0 | 9 | 4,316 | 20 | 10.13 | 1.84 | 5.51 | 0.86 | 28.5 | 5.2 | 1.02 | .287 | 3.11 | 67 | 2.83 | 68 | 7.31 | 158.7 |
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