Mason Barnett
#63 P · B/T: R/R · 6' 0", 218 lb · Age 25 · Kennesaw, GA, USA · MLB debut 2025 · Draft: 2022 Rd 3 #87 (KC) — Auburn · Athletics
Career Graph
Pitching
| Season | Team | W | L | SV | G | GS | QS | IP | IP/G | SO | K/9 | BB/9 | ERA | FIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | ATH | 1 | 1 | 0 | 5 | 5 | 0 | 22.1 | 4.5 | 18 | 7.3 | 4.4 | 6.85 | 4.88 | 0.2 |
| 2026 | ATH |
1
|
4
|
2
|
19
|
5
|
0
|
44.0
|
2.3
|
42
|
8.6
|
5.7
|
7.16
|
6.78
|
-0.6
|
| 2026 pace | 1 | 4 | 2 | 20 | 5 | 45.2 | 44 | ||||||||
| Career | 2 | 5 | 2 | 24 | 10 | 0 | 66.1 | 2.8 | 60 | 8.1 | 5.3 | 7.06 | — | -0.4 |
| Season | Team | W | L | SV | G | GS | QS | IP | IP/G | SO | K/9 | BB/9 | ERA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Triple-A (AAA) | |||||||||||||
| 2025 | LV | 6 | 2 | 0 | 25 | 23 | 4 | 119.0 | 4.8 | 124 | 9.4 | 4.9 | 6.13 |
| 2026 | LV | 4 | 3 | 0 | 14 | 14 | — | 66.1 | 4.7 | 50 | 6.8 | 4.9 | 5.16 |
| AAA Total | 10 | 5 | 0 | 39 | 37 | 4 | 185.1 | 4.8 | 174 | 8.4 | 4.9 | 5.78 | |
| Double-A (AA) | |||||||||||||
| 2023 | NWA | 2 | 1 | 0 | 7 | 7 | — | 32.2 | 4.7 | 43 | 11.8 | 3.3 | 3.58 |
| 2024 | MID | 9 | 8 | 0 | 26 | 25 | — | 133.0 | 5.1 | 161 | 10.9 | 3.3 | 4.20 |
| AA Total | 11 | 9 | 0 | 33 | 32 | — | 165.2 | 5.0 | 204 | 11.1 | 3.3 | 4.07 | |
| High-A (A+) | |||||||||||||
| 2023 | QC | 4 | 6 | 0 | 16 | 16 | — | 82.0 | 5.1 | 94 | 10.3 | 4.2 | 3.18 |
| A+ Total | 4 | 6 | 0 | 16 | 16 | — | 82.0 | 5.1 | 94 | 10.3 | 4.2 | 3.18 | |
| Single-A (A) | |||||||||||||
| 2022 | COL | 1 | 0 | 0 | 3 | 0 | — | 7.0 | 2.3 | 11 | 14.1 | 1.3 | 0.00 |
| A Total | 1 | 0 | 0 | 3 | 0 | — | 7.0 | 2.3 | 11 | 14.1 | 1.3 | 0.00 | |
| Rookie (Rk) | |||||||||||||
| 2022 | A-ROY | 0 | 0 | 0 | 1 | 1 | — | 1.0 | 1.0 | 1 | 9.0 | 0.0 | 0.00 |
| Rk Total | 0 | 0 | 0 | 1 | 1 | — | 1.0 | 1.0 | 1 | 9.0 | 0.0 | 0.00 | |
| Minors Total | 26 | 20 | 0 | 92 | 86 | 4 | 441.0 | 4.8 | 484 | 9.9 | 4.1 | 4.55 | |
Fielding
| Season | Team | Pos | G | Inn | PO | A | E | FPCT |
|---|---|---|---|---|---|---|---|---|
| 2026 | ATH |
P
|
19
|
44.0
|
4
|
5
|
0
|
1.000
|
| Career | P | 19 | 44.0 | 4 | 5 | 0 | 1.000 |
| Season | Team | Pos | G | Inn | PO | A | E | FPCT |
|---|---|---|---|---|---|---|---|---|
| Triple-A (AAA) | ||||||||
| 2025 | LV | P | 25 | 119.0 | 7 | 8 | 1 | .938 |
| 2026 | LV | P | 14 | 66.1 | 5 | 11 | 1 | .941 |
| AAA Total | — | 39 | 185.1 | 12 | 19 | 2 | .939 | |
| Double-A (AA) | ||||||||
| 2023 | NWA | P | 7 | 32.2 | 2 | 5 | 0 | 1.000 |
| 2024 | MID | P | 26 | 133.0 | 9 | 12 | 0 | 1.000 |
| AA Total | — | 33 | 165.2 | 11 | 17 | 0 | 1.000 | |
| High-A (A+) | ||||||||
| 2023 | QC | P | 16 | 82.0 | 4 | 7 | 0 | 1.000 |
| A+ Total | — | 16 | 82.0 | 4 | 7 | 0 | 1.000 | |
| Single-A (A) | ||||||||
| 2022 | COL | P | 3 | 7.0 | 1 | 0 | 0 | 1.000 |
| A Total | — | 3 | 7.0 | 1 | 0 | 0 | 1.000 | |
| Rookie (Rk) | ||||||||
| 2022 | A-ROY | P | 1 | 1.0 | 0 | 0 | 0 | .000 |
| Rk Total | — | 1 | 1.0 | 0 | 0 | 0 | — | |
| Minors Total | — | 92 | 441.0 | 28 | 43 | 2 | .973 | |
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