Hirotaka Koishi
小石 博孝
- Team
- —
- No.
- —
- Throws
- L
- Bats
- L
- Height
- 178 cm
- Weight
- 85 kg
- Born
- April 13, 1987
- Draft
- 2011 · Round 2
Pitching — Career
| Year | Team | G | W | L | SV | HLD | IP | H | HR | BB | SO | ERA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2012 | Lions | 9 | 1 | 1 | 0 | 0 | 22.1 | 18 | 1 | 15 | 7 | 4.03 |
| 2013 | Lions | 11 | 0 | 0 | 0 | 1 | 12.2 | 18 | 1 | 8 | 12 | 10.66 |
| 2014 | Lions | 4 | 0 | 2 | 0 | 0 | 16.0 | 14 | 2 | 7 | 8 | 3.94 |
| 2015 | Lions | 3 | 0 | 0 | 0 | 0 | 5.0 | 5 | 2 | 0 | 5 | 7.20 |
| 2016 | Lions | 50 | 0 | 2 | 1 | 2 | 74.2 | 62 | 2 | 39 | 55 | 3.74 |
| 2017 | Lions | 10 | 0 | 0 | 0 | 0 | 11.1 | 17 | 2 | 6 | 8 | 8.74 |
| 2018 | Lions | 22 | 1 | 0 | 0 | 0 | 26.1 | 24 | 4 | 15 | 10 | 4.10 |
| 2019 | Lions | 8 | 0 | 0 | 0 | 0 | 15.1 | 15 | 2 | 5 | 6 | 5.87 |
| Career | — | 117 | 2 | 5 | 1 | 3 | 183.2 | 173 | 16 | 95 | 111 | 4.90 |