Cooper Hjerpe
#56 P · B/T: L/L · 6' 3", 200 lb · Age 25 · Davis, CA, USA · MLB debut 2026 · Draft: 2022 Rd 1 #22 (STL) — Oregon State · St. Louis Cardinals
Career Graph
Pitching
| Season | Team | W | L | SV | G | GS | QS | IP | IP/G | SO | K/9 | BB/9 | ERA | FIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | STL | 1 | 0 | 0 | 3 | 0 | 0 | 9.0 | 3.0 | 12 | 12.0 | 6.0 | 6.00 | 3.10 | 0.1 |
| 2026 pace | 1 | 0 | 0 | 3 | 0 | 9.1 | 12 | ||||||||
| Career | 1 | 0 | 0 | 3 | 0 | 0 | 9.0 | 3.0 | 12 | 12.0 | 6.0 | 6.00 | — | 0.1 |
| Season | Team | W | L | SV | G | GS | IP | IP/G | SO | K/9 | BB/9 | ERA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Triple-A (AAA) | ||||||||||||
| 2026 | MEM | 0 | 0 | 0 | 5 | 5 | 19.0 | 3.8 | 27 | 12.8 | 8.1 | 0.95 |
| AAA Total | 0 | 0 | 0 | 5 | 5 | 19.0 | 3.8 | 27 | 12.8 | 8.1 | 0.95 | |
| Double-A (AA) | ||||||||||||
| 2024 | SPR | 2 | 1 | 0 | 4 | 4 | 14.2 | 3.7 | 20 | 12.3 | 4.9 | 3.07 |
| 2026 | SPR | 0 | 1 | 0 | 5 | 5 | 14.1 | 2.9 | 25 | 15.7 | 7.5 | 5.02 |
| AA Total | 2 | 2 | 0 | 9 | 9 | 29.0 | 3.2 | 45 | 14.0 | 6.2 | 4.03 | |
| High-A (A+) | ||||||||||||
| 2023 | PEO | 2 | 3 | 0 | 10 | 8 | 41.0 | 4.1 | 51 | 11.2 | 5.5 | 3.51 |
| 2024 | PEO | 0 | 3 | 0 | 11 | 11 | 37.2 | 3.4 | 56 | 13.4 | 4.8 | 3.35 |
| A+ Total | 2 | 6 | 0 | 21 | 19 | 78.2 | 3.7 | 107 | 12.2 | 5.1 | 3.43 | |
| Single-A (A) | ||||||||||||
| 2026 | PMB | 0 | 0 | 0 | 3 | 3 | 4.2 | 1.6 | 4 | 7.7 | 3.9 | 7.71 |
| A Total | 0 | 0 | 0 | 3 | 3 | 4.2 | 1.6 | 4 | 7.7 | 3.9 | 7.71 | |
| Rookie (Rk) | ||||||||||||
| 2026 | F-CAR | 0 | 0 | 0 | 2 | 2 | 4.0 | 2.0 | 5 | 11.3 | 2.3 | 0.00 |
| Rk Total | 0 | 0 | 0 | 2 | 2 | 4.0 | 2.0 | 5 | 11.3 | 2.3 | 0.00 | |
| Minors Total | 4 | 8 | 0 | 40 | 38 | 135.1 | 3.4 | 188 | 12.5 | 5.7 | 3.26 | |
Fielding
| Season | Team | Pos | G | Inn | PO | A | E | FPCT |
|---|---|---|---|---|---|---|---|---|
| 2026 | STL | P | 3 | 9.0 | 0 | 0 | 0 | .000 |
| Career | P | 3 | 9.0 | 0 | 0 | 0 | — |
| Season | Team | Pos | G | Inn | PO | A | E | FPCT |
|---|---|---|---|---|---|---|---|---|
| Triple-A (AAA) | ||||||||
| 2026 | MEM | P | 5 | 19.0 | 0 | 4 | 0 | 1.000 |
| AAA Total | — | 5 | 19.0 | 0 | 4 | 0 | 1.000 | |
| Double-A (AA) | ||||||||
| 2024 | SPR | P | 4 | 14.2 | 0 | 3 | 0 | 1.000 |
| 2026 | SPR | P | 5 | 14.1 | 0 | 1 | 0 | 1.000 |
| AA Total | — | 9 | 29.0 | 0 | 4 | 0 | 1.000 | |
| High-A (A+) | ||||||||
| 2023 | PEO | P | 10 | 41.0 | 0 | 2 | 0 | 1.000 |
| 2024 | PEO | P | 11 | 37.2 | 0 | 4 | 0 | 1.000 |
| A+ Total | — | 21 | 78.2 | 0 | 6 | 0 | 1.000 | |
| Single-A (A) | ||||||||
| 2026 | PMB | P | 3 | 4.2 | 0 | 1 | 0 | 1.000 |
| A Total | — | 3 | 4.2 | 0 | 1 | 0 | 1.000 | |
| Rookie (Rk) | ||||||||
| 2026 | F-CAR | P | 2 | 4.0 | 0 | 2 | 0 | 1.000 |
| Rk Total | — | 2 | 4.0 | 0 | 2 | 0 | 1.000 | |
| Minors Total | — | 40 | 135.1 | 0 | 17 | 0 | 1.000 | |
over the trailing
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