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 | IP | IP/G | SO | K/9 | BB/9 | ERA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Triple-A (AAA) | ||||||||||||
| 2026 | BUF | 1 | 0 | 0 | 2 | 0 | 6.1 | 3.2 | 6 | 8.5 | 5.7 | 2.84 |
| 2026 pace | 1 | 0 | 0 | 2 | 0 | 7.2 | 7 | |||||
| AAA Total | 1 | 0 | 0 | 2 | 0 | 6.1 | 3.2 | 6 | 8.5 | 5.7 | 2.84 | |
| Double-A (AA) | ||||||||||||
| 2026 | NH | 4 | 4 | 0 | 26 | 6 | 68.0 | 2.6 | 76 | 10.1 | 2.5 | 4.76 |
| AA Total | 4 | 4 | 0 | 26 | 6 | 68.0 | 2.6 | 76 | 10.1 | 2.5 | 4.76 | |
| 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 | 7 | 0 | 38 | 10 | 114.0 | 3.0 | 124 | 9.8 | 2.8 | 3.95 | |
Fielding
| Season | Team | Pos | G | Inn | PO | A | E | FPCT |
|---|---|---|---|---|---|---|---|---|
| Triple-A (AAA) | ||||||||
| 2026 | BUF | P | 2 | 6.1 | 0 | 0 | 0 | .000 |
| AAA Total | — | 2 | 6.1 | 0 | 0 | 0 | — | |
| Double-A (AA) | ||||||||
| 2026 | NH | P | 26 | 68.0 | 3 | 4 | 0 | 1.000 |
| AA Total | — | 26 | 68.0 | 3 | 4 | 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 | — | 38 | 114.0 | 4 | 10 | 0 | 1.000 | |
over the trailing
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