Mason Olson
#16 P · B/T: R/L · 5' 10", 165 lb · Age 24 · Provo, UT, USA · Buffalo Bisons (Toronto Blue Jays)
Career Graph
Pitching
| Season | Team | W | L | SV | G | GS | QS | IP | IP/G | SO | K/9 | BB/9 | ERA | FIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Triple-A (AAA) | |||||||||||||||
| 2026 | BUF | 1 | 0 | 0 | 1 | 0 | — | 3.2 | 3.7 | 4 | 9.8 | 2.5 | 4.91 | — | — |
| 2026 pace | 1 | 0 | 0 | 1 | 0 | 5.1 | 6 | ||||||||
| AAA Total | 1 | 0 | 0 | 1 | 0 | — | 3.2 | 3.7 | 4 | 9.8 | 2.5 | 4.91 | — | — | |
| Double-A (AA) | |||||||||||||||
| 2026 | NH | 4 | 3 | 0 | 21 | 4 | — | 57.1 | 2.7 | 68 | 10.7 | 2.4 | 4.08 | — | — |
| AA Total | 4 | 3 | 0 | 21 | 4 | — | 57.1 | 2.7 | 68 | 10.7 | 2.4 | 4.08 | — | — | |
| High-A (A+) | |||||||||||||||
| 2026 | VAN | 0 | 0 | 0 | 1 | 0 | — | 3.1 | 3.3 | 3 | 8.1 | 2.7 | 2.70 | — | — |
| A+ Total | 0 | 0 | 0 | 1 | 0 | — | 3.1 | 3.3 | 3 | 8.1 | 2.7 | 2.70 | — | — | |
| Single-A (A) | |||||||||||||||
| 2025 | DUN | 3 | 2 | 0 | 6 | 2 | — | 20.2 | 3.4 | 21 | 9.1 | 3.5 | 3.48 | — | — |
| A Total | 3 | 2 | 0 | 6 | 2 | — | 20.2 | 3.4 | 21 | 9.1 | 3.5 | 3.48 | — | — | |
| Rookie (Rk) | |||||||||||||||
| 2025 | F-BLU | 2 | 1 | 0 | 3 | 2 | — | 15.2 | 5.2 | 18 | 10.3 | 2.3 | 1.72 | — | — |
| Rk Total | 2 | 1 | 0 | 3 | 2 | — | 15.2 | 5.2 | 18 | 10.3 | 2.3 | 1.72 | — | — | |
| Minors Total | 10 | 6 | 0 | 32 | 8 | — | 100.2 | 3.1 | 114 | 10.2 | 2.6 | 3.58 | — | — | |
Fielding
| Season | Team | Pos | G | Inn | PO | A | E | FPCT |
|---|---|---|---|---|---|---|---|---|
| Triple-A (AAA) | ||||||||
| 2026 | BUF | P | 1 | 3.2 | 0 | 0 | 0 | .000 |
| AAA Total | — | 1 | 3.2 | 0 | 0 | 0 | — | |
| Double-A (AA) | ||||||||
| 2026 | NH | P | 21 | 57.1 | 1 | 3 | 0 | 1.000 |
| AA Total | — | 21 | 57.1 | 1 | 3 | 0 | 1.000 | |
| High-A (A+) | ||||||||
| 2026 | VAN | P | 1 | 3.1 | 0 | 0 | 0 | .000 |
| A+ Total | — | 1 | 3.1 | 0 | 0 | 0 | — | |
| Single-A (A) | ||||||||
| 2025 | DUN | P | 6 | 20.2 | 0 | 3 | 0 | 1.000 |
| A Total | — | 6 | 20.2 | 0 | 3 | 0 | 1.000 | |
| Rookie (Rk) | ||||||||
| 2025 | F-BLU | P | 3 | 15.2 | 1 | 3 | 0 | 1.000 |
| Rk Total | — | 3 | 15.2 | 1 | 3 | 0 | 1.000 | |
| Minors Total | — | 32 | 100.2 | 2 | 9 | 0 | 1.000 | |
over the trailing
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