年度別投手成績
| 年度 | 防御率 | 試合数 | 完投 | 無点勝 | 無四球 | 勝 | 敗 | セーブ | 勝率 | 打者数 | 投球回数 | 被安打 | 被本塁打 | 奪三振 | 与四球 | 与死球 | 暴投 | ボーク | 失点 | 自責点 |
| 01ロ | 6.43 | 12 | 1 | 0 | 0 | 1 | 4 | 0 | .200 | 191 | 42 | 48 | 9 | 31 | 18 | 1 | 1 | 3 | 36 | 30 |
| 02ロ | 3.44 | 47 | 0 | 0 | 0 | 4 | 6 | 0 | .400 | 385 | 96.2 | 76 | 14 | 102 | 24 | 3 | 2 | 0 | 38 | 37 |
| 03ロ | 3.16 | 47 | 0 | 0 | 0 | 4 | 6 | 1 | .400 | 340 | 82.2 | 80 | 9 | 71 | 24 | 0 | 2 | 0 | 35 | 29 |
| 04巨 | 2.67 | 62 | 0 | 0 | 0 | 5 | 3 | 5 | .625 | 330 | 77.2 | 76 | 9 | 83 | 24 | 9 | 1 | 0 | 25 | 23 |
| 05巨 | 3.29 | 70 | 0 | 0 | 0 | 7 | 1 | 0 | .875 | 324 | 87.2 | 75 | 4 | 100 | 35 | 3 | 4 | 0 | 33 | 32 |
| 07 | 2.29 | 29 | 0 | 0 | 0 | 1 | 2 | 1 | .333 | 159 | 39.1 | 30 | 2 | 38 | 12 | 2 | 2 | 1 | 13 | 10 |
| 08ロ | 2.23 | 54 | 0 | 0 | 0 | 5 | 1 | 1 | .833 | 196 | 48.1 | 42 | 2 | 49 | 10 | 1 | 0 | 0 | 15 | 12 |
| 09ロ | 2.19 | 55 | 0 | 0 | 0 | 8 | 5 | 15 | .615 | 254 | 65.2 | 41 | 8 | 73 | 19 | 3 | 2 | 0 | 16 | 16 |
| 10西 | 2.57 | 58 | 0 | 0 | 0 | 2 | 5 | 33 | .286 | 255 | 63 | 50 | 7 | 48 | 19 | 1 | 1 | 0 | 18 | 18 |
| 11西 | 4.91 | 4 | 0 | 0 | 0 | 0 | 1 | 0 | .000 | 17 | 3.2 | 4 | 1 | 3 | 4 | 0 | 0 | 0 | 2 | 2 |
| 計 | 3.10 | 438 | 1 | 0 | 0 | 37 | 34 | 56 | .521 | 2451 | 606.2 | 522 | 65 | 598 | 189 | 23 | 15 | 4 | 231 | 209 |
