#15 - - 大石 達也
所屬球隊：西武獅
球員背號：#15 身高體重：185公分 - 92公斤 守備位置：投手 投打習性：右投左打 生年月日：1988-10-10 
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| 2012 例行賽 逐場成績 | 2012 例行賽 累積成績 | |||||||||||||||||
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| 日期 | 對戰隊伍 | 終場比數 | 球隊 | 投手 | 投球局 | 投球數 | 安打 | 失分 | 責失 | 全壘打 | 保送 | 三振 | 勝投 | 敗投 | 救援 | 援失 | 中繼 | 防禦率 |
| 10/07 | @ 歐力士 | 0-7 | 負 | 2.3 | 33 | 3 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 2.75 | |
| 10/04 | @ 樂天 | 5-5 | 1.0 | 11 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 2.94 | ||
| 10/02 | 羅德 | 5-3 | 負 | 1.0 | 10 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 3.03 | |
| 10/01 | 羅德 | 4-0 | 負 | 2.0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 3.13 | |
| 09/28 | @ 火腿 | 0-5 | 負 | 2.0 | 35 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 3.34 | |
| 09/26 | 樂天 | 3-2 | 負 | 1.0 | 16 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 3.58 | |
| 09/18 | @ 軟銀 | 1-5 | 負 | 1.0 | 11 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 3.71 | |
| 08/05 | @ 軟銀 | 2-10 | 負 | 1.0 | 18 | 1 | 3 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 3.86 | |
| 08/04 | @ 軟銀 | 0-7 | 負 | 2.0 | 39 | 3 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 4.01 | |
| 07/31 | 歐力士 | 7-1 | 負 | 2.0 | 41 | 1 | 0 | 0 | 0 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 3.97 | |
| 07/29 | @ 樂天 | 13-4 | 勝 | 1.0 | 16 | 2 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 4.35 | |
| 07/28 | @ 樂天 | 5-4 | 勝 | 1.0 | 17 | 3 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 4.12 | |
| 07/11 | 軟銀 | 4-1 | 負 | 2.0 | 31 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 3.86 | |
| 07/08 | 樂天 | 5-9 | 勝 | 勝 | 1.7 | 25 | 1 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 4.32 |
| 07/06 | 樂天 | 6-2 | 負 | 2.0 | 40 | 4 | 1 | 1 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 4.80 | |
| 07/02 | @ 軟銀 | 1-4 | 負 | 1.0 | 18 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 4.85 | |
| 06/28 | @ 羅德 | 4-12 | 負 | 2.0 | 29 | 3 | 3 | 3 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 5.25 | |
| 06/25 | 歐力士 | 5-3 | 負 | 負 | 3.0 | 49 | 4 | 2 | 1 | 0 | 1 | 3 | 0 | 1 | 0 | 0 | 0 | 3.60 |
| 06/17 | 廣島 | 11-4 | 負 | 0.7 | 22 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 3.86 | |
| 06/03 | 橫濱 | 7-5 | 負 | 0.3 | 11 | 1 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 4.26 | |
| 05/31 | @ 廣島 | 3-5 | 負 | 1.3 | 29 | 3 | 2 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 3.00 | |
| 05/20 | @ 中日 | 2-6 | 負 | 0.3 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | |
| 05/10 | @ 樂天 | 7-8 | 負 | 2.3 | 25 | 3 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0.00 | |
| 05/05 | 羅德 | 4-2 | 負 | 2.0 | 38 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | |