| 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 |
| 03 | 5.19 | 10 | 0 | 0 | 0 | 0 | 3 | 0 | .000 | 208 | 50.1 | 51 | 11 | 37 | 10 | 3 | 0 | 0 | 29 | 29 |
| 05 | 3.95 | 25 | 1 | 1 | 1 | 10 | 6 | 0 | .625 | 622 | 150.1 | 151 | 14 | 105 | 28 | 4 | 1 | 0 | 70 | 66 |
| 06 | 3.95 | 44 | 0 | 0 | 0 | 2 | 5 | 5 | .286 | 359 | 79.2 | 98 | 7 | 61 | 21 | 8 | 2 | 0 | 41 | 35 |
| 07 | 3.17 | 45 | 2 | 0 | 0 | 3 | 12 | 5 | .200 | 558 | 127.2 | 129 | 14 | 115 | 39 | 10 | 5 | 0 | 56 | 45 |
| 08 | 2.99 | 24 | 0 | 0 | 0 | 12 | 3 | 0 | .800 | 628 | 153.1 | 137 | 13 | 99 | 31 | 7 | 5 | 0 | 54 | 51 |
| 09 | 3.39 | 27 | 5 | 2 | 2 | 16 | 6 | 0 | .727 | 798 | 188.1 | 195 | 20 | 126 | 45 | 11 | 2 | 0 | 77 | 71 |
| 10 | 2.93 | 21 | 4 | 4 | 2 | 12 | 7 | 0 | .632 | 607 | 147.2 | 147 | 17 | 112 | 24 | 4 | 6 | 1 | 55 | 48 |
| 11 | 2.04 | 26 | 7 | 3 | 2 | 11 | 5 | 0 | .688 | 699 | 180.2 | 146 | 12 | 130 | 29 | 6 | 1 | 0 | 43 | 41 |
| 12 | 2.25 | 25 | 2 | 1 | 0 | 12 | 8 | 0 | .600 | 676 | 168.1 | 141 | 7 | 119 | 45 | 6 | 2 | 0 | 45 | 42 |
| 計 | 3.09 | 247 | 21 | 11 | 7 | 78 | 55 | 10 | .586 | 5155 | 1246.1 | 1195 | 115 | 904 | 272 | 59 | 24 | 1 | 470 | 428 |