Jerry Koosman vs Taijuan Walker
MLB career
| Stat | J. Koosman | T. Walker |
|---|---|---|
| G | 612 | 256 |
| IP | 3839.1 | 1300.2 |
| ERA | 3.36 | 4.27 |
| WHIP | 1.26 | 1.30 |
| K | 2556 | 1105 |
| BB | 1198 | 445 |
| K/9 | 5.99 | 7.65 |
| BB/9 | 2.81 | 3.08 |
AAA career
| Stat | J. Koosman | T. Walker |
|---|---|---|
| G | — | 33 |
| IP | — | 171.0 |
| ERA | — | 4.26 |
| WHIP | — | 1.36 |
| K | — | 152 |
| BB | — | 72 |
| K/9 | — | 8.00 |
| BB/9 | — | 3.79 |
J. Koosman · last outing
Aug 21, 1985 vs Los Angeles Dodgers — 0.2 IP, 0 K, 2 BB, 5 ER
T. Walker · last outing
Jun 17, 2026 vs Tacoma Rainiers — 5.0 IP, 1 K, 2 BB, 4 ER