Bob O'Brien vs Ben Casparius
MLB career
| Stat | B. O'Brien | B. Casparius |
|---|---|---|
| G | 14 | 54 |
| IP | 42.0 | 90.2 |
| ERA | 3.00 | 4.67 |
| WHIP | 1.31 | 1.35 |
| K | 15 | 87 |
| BB | 13 | 29 |
| K/9 | 3.21 | 8.64 |
| BB/9 | 2.79 | 2.88 |
AAA career
| Stat | B. O'Brien | B. Casparius |
|---|---|---|
| G | — | 21 |
| IP | — | 72.1 |
| ERA | — | 3.36 |
| WHIP | — | 1.19 |
| K | — | 79 |
| BB | — | 35 |
| K/9 | — | 9.83 |
| BB/9 | — | 4.35 |
B. O'Brien · last outing
Jul 7, 1971 vs Chicago Cubs — 1.0 IP, 1 K, 0 BB, 2 ER
B. Casparius · last outing
Apr 12, 2026 vs Texas Rangers — 1.0 IP, 1 K, 2 BB, 2 ER