
| Year | Team | ERA | G | CG | SHO | W | L | SV | HLD | Win% | TBF | IP | H | HR | BB | HBP | SO | R | ER |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TOTAL | 4.44 | 514 | 0 | 0 | 76 | 58 | 8 | 117 | 0.567 | 5080 | 1160 1/3 | 1220 | 111 | 366 | 130 | 929 | 621 | 573 | |
| 2025 | LOTTE | 6.23 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 0.000 | 41 | 8 2/3 | 13 | 2 | 2 | 1 | 8 | 6 | 6 |
| 2024 | LOTTE | 5.19 | 57 | 0 | 0 | 5 | 3 | 0 | 8 | 0.625 | 342 | 76 1/3 | 92 | 7 | 24 | 10 | 70 | 45 | 44 |
| 2023 | LOTTE | 5.45 | 38 | 0 | 0 | 6 | 12 | 0 | 3 | 0.333 | 476 | 104 | 123 | 11 | 44 | 11 | 74 | 69 | 63 |
| 2022 | 키움 | 4.75 | 21 | 0 | 0 | 6 | 4 | 0 | 0 | 0.600 | 346 | 77 2/3 | 83 | 9 | 24 | 8 | 59 | 44 | 41 |
| 2021 | 키움 | 3.89 | 18 | 0 | 0 | 6 | 2 | 0 | 1 | 0.750 | 372 | 85 2/3 | 86 | 4 | 30 | 6 | 61 | 42 | 37 |
| 2020 | 키움 | 4.98 | 25 | 0 | 0 | 7 | 9 | 0 | 0 | 0.438 | 587 | 135 2/3 | 141 | 10 | 37 | 14 | 109 | 77 | 75 |
| 2019 | 키움 | 3.41 | 61 | 0 | 0 | 7 | 5 | 0 | 24 | 0.583 | 251 | 58 | 50 | 1 | 20 | 7 | 49 | 26 | 22 |
| 2018 | NEXEN | 4.79 | 30 | 0 | 0 | 11 | 7 | 0 | 0 | 0.611 | 756 | 169 | 208 | 22 | 49 | 20 | 105 | 98 | 90 |
| 2017 | NEXEN | 4.47 | 38 | 0 | 0 | 5 | 6 | 5 | 5 | 0.455 | 457 | 106 2/3 | 105 | 14 | 17 | 17 | 79 | 61 | 53 |
| 2015 | NEXEN | 4.82 | 45 | 0 | 0 | 11 | 4 | 0 | 10 | 0.733 | 542 | 123 1/3 | 126 | 14 | 41 | 13 | 122 | 70 | 66 |
| 2014 | NEXEN | 3.20 | 66 | 0 | 0 | 4 | 2 | 2 | 31 | 0.667 | 342 | 78 2/3 | 75 | 6 | 31 | 4 | 83 | 30 | 28 |
| 2013 | NEXEN | 3.21 | 69 | 0 | 0 | 5 | 0 | 1 | 27 | 1.000 | 287 | 67 1/3 | 64 | 7 | 25 | 8 | 56 | 27 | 24 |
| 2012 | NEXEN | 3.12 | 43 | 0 | 0 | 3 | 4 | 0 | 7 | 0.429 | 281 | 69 1/3 | 54 | 4 | 22 | 11 | 54 | 26 | 24 |