| Season | Age | PA | BB% | SO% | ISO | BABIP | wRC+ | SFR | WAR |
|---|---|---|---|---|---|---|---|---|---|
| 2023 | 30 | 214 | 12.1 | 14.5 | 0.158 | 0.336 | 141.9 | -9.8 | 1.64 |
| 2022 | 29 | 442 | 6.1 | 19.0 | 0.108 | 0.357 | 110.2 | -20.1 | 1.99 |
| 2021 | 28 | 610 | 7.9 | 16.1 | 0.214 | 0.331 | 131.6 | -2.1 | 5.52 |
| 2020 | 27 | 510 | 10.0 | 17.8 | 0.170 | 0.355 | 124.0 | 22.8 | 5.12 |
| 2019 | 26 | 526 | 7.2 | 16.7 | 0.177 | 0.296 | 109.7 | 5.0 | 3.48 |
| 2018 | 25 | 529 | 8.1 | 20.8 | 0.201 | 0.397 | 124.7 | -0.6 | 4.29 |
| 2017 | 24 | 647 | 9.7 | 21.3 | 0.216 | 0.371 | 124.0 | -25.8 | 4.01 |
Koo Ja-wook | 구자욱
Samsung Lions | RF