| year | team name | league | level | mlb | # | age | w | l | era | g | gs | cg | sho | gr | gf | sv | ip | h | r | er | hr | bb | so | wp | bk | hb | whip | h9 | hr9 | bb9 | so9 | ra9 | so/bb |
| 2021 | Round Rock Express | PCL2 | AAA | TEX | 59 | 33 | 0 | 3 | 5.60 | 10 | 9 | 0 | 0 | 1 | 0 | 0 | 45.0 | 52 | 32 | 28 | 10 | 10 | 42 | 3 | 0 | 1 | 1.38 | 10.40 | 2.00 | 2.00 | 8.40 | 6.40 | 4.20 |
| 2021 | Texas Rangers | AL | MLB | TEX | 36 | 33 | 0 | 3 | 5.60 | 12 | 4 | 0 | 0 | 8 | 1 | 0 | 35.1 | 42 | 24 | 22 | 9 | 16 | 25 | 2 | 0 | 1 | 1.64 | 10.70 | 2.29 | 4.08 | 6.37 | 6.11 | 1.56 |
| Tot: | MLB (1 yrs) | MLB | 0 | 3 | 5.60 | 12 | 4 | 0 | 0 | 1 | 8 | 0 | 35.1 | 42 | 24 | 22 | 9 | 16 | 25 | 2 | 0 | 1 | 1.64 | 10.70 | 2.29 | 4.08 | 6.37 | 6.11 | 1.56 | ||||
| Tot: | AL (1 yrs) | AL | 0 | 3 | 5.60 | 12 | 4 | 0 | 0 | 1 | 8 | 0 | 35.1 | 42 | 24 | 22 | 9 | 16 | 25 | 2 | 0 | 1 | 1.64 | 10.70 | 2.29 | 4.08 | 6.37 | 6.11 | 1.56 | ||||
| Tot: | Minors (1 yrs) | Minors | 0 | 3 | 5.60 | 10 | 9 | 0 | 0 | 0 | 1 | 0 | 45.0 | 52 | 32 | 28 | 10 | 10 | 42 | 3 | 0 | 1 | 1.38 | 10.40 | 2.00 | 2.00 | 8.40 | 6.40 | 4.20 | ||||
| Tot: | AAA (1 yrs) | AAA | 0 | 3 | 5.60 | 10 | 9 | 0 | 0 | 0 | 1 | 0 | 45.0 | 52 | 32 | 28 | 10 | 10 | 42 | 3 | 0 | 1 | 1.38 | 10.40 | 2.00 | 2.00 | 8.40 | 6.40 | 4.20 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| year | team name | league | category | age | w | l | era | g | gs | cg | sho | gr | gf | sv | ip | h | r | er | hr | bb | so | wp | bk | hb | whip | h9 | hr9 | bb9 | so9 | ra9 | so/bb |
| 2015 | Kia Tigers | Korea | Korea | 27 | 15 | 6 | 2.44 | 32 | 0 | 1 | 1 | 0 | 0 | 0 | 184.1 | 150 | 52 | 50 | 18 | 78 | 157 | 6 | 0 | 7 | 1.24 | 7.32 | 0.88 | 3.81 | 7.67 | 2.54 | 2.01 |
| 2016 | Kia Tigers | Korea | Korea | 28 | 10 | 12 | 3.68 | 31 | 31 | 3 | 0 | 0 | 3 | 0 | 200.1 | 191 | 96 | 82 | 19 | 77 | 146 | 6 | 0 | 2 | 1.34 | 8.58 | 0.85 | 3.46 | 6.56 | 4.31 | 1.90 |
| 2017 | Kia Tigers | Korea | Korea | 29 | 20 | 6 | 3.44 | 31 | 31 | 1 | 0 | 0 | 2 | 0 | 193.1 | 209 | 88 | 74 | 17 | 45 | 158 | 14 | 0 | 0 | 1.31 | 9.73 | 0.79 | 2.09 | 7.36 | 4.10 | 3.51 |
| 2018 | Kia Tigers | Korea | Korea | 30 | 13 | 11 | 4.15 | 29 | 29 | 3 | 0 | 0 | 3 | 0 | 184.1 | 199 | 88 | 85 | 21 | 43 | 152 | 5 | 0 | 2 | 1.31 | 9.72 | 1.03 | 2.10 | 7.42 | 4.30 | 3.53 |
| 2019 | Kia Tigers | Korea | Korea | 31 | 16 | 8 | 2.29 | 29 | 29 | 2 | 2 | 0 | 0 | 0 | 184.2 | 165 | 56 | 47 | 6 | 33 | 163 | 1 | 0 | 2 | 1.07 | 8.04 | 0.29 | 1.61 | 7.94 | 2.73 | 4.94 |
| 2020 | Kia Tigers | Korea | Korea | 32 | 11 | 10 | 4.70 | 31 | 31 | 0 | 0 | 0 | 0 | 0 | 172.1 | 180 | 99 | 90 | 13 | 64 | 149 | 7 | 0 | 5 | 1.42 | 9.40 | 0.68 | 3.34 | 7.78 | 5.17 | 2.33 |
| 2021 | Texas Rangers | MLB Spring Training | Spring | 33 | 0 | 0 | 5.40 | 5 | 1 | 0 | 0 | 4 | 1 | 1 | 10.0 | 12 | 6 | 6 | 1 | 3 | 10 | 0 | 0 | 0 | 1.50 | 10.80 | 0.90 | 2.70 | 9.00 | 5.40 | 3.33 |
| 2022 | Kia Tigers | Korea | Korea | 34 | 12 | 7 | 3.85 | 30 | 30 | 0 | 0 | 0 | 0 | 0 | 175.1 | 170 | 86 | 75 | 14 | 50 | 141 | 3 | 0 | 3 | 1.25 | 8.73 | 0.72 | 2.57 | 7.24 | 4.41 | 2.82 |
| 2023 | Kia Tigers | Korea | Korea | 35 | 9 | 11 | 3.58 | 29 | 29 | 0 | 0 | 0 | 0 | 0 | 171.0 | 181 | 78 | 68 | 13 | 48 | 133 | 5 | 0 | 1 | 1.34 | 9.53 | 0.68 | 2.53 | 7.00 | 4.11 | 2.77 |
| 2024 | Kia Tigers | Korea | Korea | 36 | 11 | 5 | 4.10 | 29 | 29 | 3 | 0 | 0 | 2 | 0 | 171.1 | 174 | 86 | 78 | 21 | 41 | 129 | 2 | 0 | 6 | 1.25 | 9.14 | 1.10 | 2.15 | 6.78 | 4.52 | 3.15 |
| 2025 | Kia Tigers | Korea | Korea | 37 | 7 | 9 | 5.06 | 30 | 30 | 0 | 0 | 0 | 0 | 0 | 153.0 | 171 | 101 | 86 | 12 | 57 | 109 | 10 | 0 | 4 | 1.49 | 10.06 | 0.71 | 3.35 | 6.41 | 5.94 | 1.91 |
| Tot: | Korea (10 Yrs) | Korea | 124 | 85 | 3.70 | 301 | 269 | 13 | 3 | 10 | 32 | 0 | 1790.0 | 1790 | 830 | 735 | 154 | 536 | 1437 | 59 | 0 | 32 | 1.30 | 9.00 | 0.77 | 2.69 | 7.23 | 4.17 | 2.68 | ||
| Tot: | Spring (1 Yrs) | Spring | 0 | 0 | 5.40 | 5 | 1 | 0 | 0 | 1 | 4 | 1 | 10.0 | 12 | 6 | 6 | 1 | 3 | 10 | 0 | 0 | 0 | 1.50 | 10.80 | 0.90 | 2.70 | 9.00 | 5.40 | 3.33 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 19 | 63 | 15 | 49 | 15 | 29 | .436 |