Corey Kluber had a 116-77 record with an ERA of 3.44, 1,725 strikeouts and 1 save in 271 appearances in his career.
- Regular season
| 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 | 2011 | 3 | 0 | 0 | 0 | 8.31 | 5 | 0 | 0 | 0 | 4.1 | 6 | 4 | 4 | 0 | 3 | 2 | 2 | 0 | 25 | 1 | 10.38 | 6.23 | 1.67 | 0.00 | 20.0 | 12.0 | 2.08 | .400 | 8.31 | 212 | 4.17 | 105 | 12.46 | -0.1 | ||
| 2 | | C. Kluber | 2012 | 12 | 2 | 5 | .286 | 12 | 5.14 | 54 | 0 | 0 | 0 | 63.0 | 76 | 36 | 44 | 9 | 18 | 4 | 0 | 0 | 281 | 2 | 7.71 | 2.57 | 3.00 | 1.29 | 19.2 | 6.4 | 1.49 | .342 | 6.29 | 130 | 4.28 | 104 | 10.86 | -1 | |
| 3 | | C. Kluber | 2013 | 26 | 11 | 5 | .688 | 24 | 3.85 | 136 | 0 | 0 | 0 | 147.1 | 153 | 63 | 67 | 15 | 33 | 5 | 1 | 0 | 608 | 1 | 8.31 | 2.02 | 4.12 | 0.92 | 22.4 | 5.4 | 1.26 | .329 | 4.09 | 97 | 3.29 | 83 | 9.35 | 10.9 | |
| 4 | | C. Kluber | 2014 | 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 | |
| 5 | | C. Kluber | 2015 | 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 | |
| 6 | | C. Kluber | 2016 | 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 | |
| 7 | | C. Kluber | 2017 | 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 | |
| 8 | | C. Kluber | 2018 | 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 | |
| 9 | | C. Kluber | 2019 | 7 | 2 | 3 | .400 | 7 | 5.80 | 38 | 0 | 0 | 0 | 35.2 | 44 | 23 | 26 | 4 | 15 | 3 | 0 | 0 | 168 | 1 | 9.59 | 3.79 | 2.53 | 1.01 | 22.6 | 8.9 | 1.65 | .370 | 6.56 | 126 | 4.04 | 89 | 11.10 | 1.9 | |
| 10 |  | C. Kluber | 2020 | 1 | 0 | 0 | 1 | 0.00 | 1 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 9.00 | 9.00 | 1.00 | 0.00 | 33.3 | 33.3 | 1.00 | .000 | 0.00 | 0 | 4.18 | 91 | 0.00 | 0 | ||
| 11 |  | C. Kluber | 2021 | 16 | 5 | 3 | .625 | 16 | 3.83 | 82 | 1 | 1 | 0 | 80.0 | 74 | 34 | 37 | 8 | 33 | 5 | 0 | 0 | 341 | 3 | 9.23 | 3.71 | 2.48 | 0.90 | 24.0 | 9.7 | 1.34 | .310 | 4.16 | 90 | 3.84 | 89 | 8.33 | 4.3 | |
| 12 |  | C. Kluber | 2022 | 31 | 10 | 10 | .500 | 31 | 4.34 | 139 | 0 | 0 | 0 | 164.0 | 178 | 79 | 82 | 20 | 21 | 10 | 0 | 0 | 689 | 2 | 7.63 | 1.15 | 6.62 | 1.10 | 20.2 | 3.0 | 1.21 | .317 | 4.50 | 118 | 3.56 | 94 | 9.77 | 3.8 | |
| 13 |  | C. Kluber | 2023 | 15 | 3 | 6 | .333 | 9 | 7.04 | 42 | 0 | 0 | 1 | 55.0 | 69 | 43 | 47 | 17 | 21 | 4 | 1 | 0 | 257 | 1 | 6.87 | 3.44 | 2.00 | 2.78 | 16.3 | 8.2 | 1.64 | .301 | 7.69 | 155 | 7.11 | 164 | 11.29 | -16.8 | |
| Total | 271 | 116 | 77 | .601 | 260 | 3.44 | 1,725 | 18 | 8 | 1 | 1641.2 | 1,486 | 627 | 684 | 177 | 368 | 65 | 4 | 9 | 6,688 | 31 | 9.46 | 2.02 | 4.69 | 0.97 | 25.8 | 5.5 | 1.13 | .301 | 3.75 | 83 | 3.22 | 78 | 8.15 | 161.7 |
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