Statistics| Year | Team | G | IP | H | BB | ER | Win | Sav | WHIP | ERA |
|---|
| 2025 | Athletics | 1 | 4.00 | 8 | 0 | 5 | 0 | 0 | 2.000 | 11.25 |
| Total MLB | 1 | 4.00 | 8 | 0 | 5 | 0 | 0 | 2.000 | 11.25 |
| | 2025 Projections |
|---|
| Source | | G | IP | H | BB | ER | Win | Sav | WHIP | ERA |
|---|
| Consensus | 14 | 47.06 | 44 | 18 | 23 | 3 | 0 | 1.328 | 4.40 |
| FangraphsDepth | 2 | 9.00 | 8 | 3 | 4 | 0 | 0 | 1.222 | 4.00 |
| RV Current | 1 | 5.45 | 5 | 2 | 3 | 0 | 0 | 1.290 | 4.31 |
| RotoValue | 15 | 13.66 | 11 | 5 | 5 | 1 | 0 | 1.164 | 3.61 |
| Steamer | 2 | 9.23 | 9 | 4 | 5 | 1 | 0 | 1.366 | 4.45 |
| ZiPS | 24 | 118.30 | 113 | 46 | 59 | 7 | 0 | 1.344 | 4.49 |
| modZiPS | 24 | 118.30 | 113 | 46 | 59 | 7 | 0 | 1.344 | 4.49 |
2025 Game Log| August | | Pos | IP | H | BB | ER | Win | Sav | WHIP | ERA |
|---|
| 2025-08-30 | v Tex | SP | 4.00 | 8 | 0 | 5 | 0 | 0 | 2.000 | 11.25 |
| Total | 4.00 | 8 | 0 | 5 | 0 | 0 | 2.000 | 11.25 |
| | Date | Time | Headline |
|---|
| Fri Aug 29 | 19:51 | Mason Barnett to Make Major-League Debut on Saturday | | Wed Aug 27 | 00:09 | Mason Barnett Promoted on Tuesday |
| | Upcoming Starts |
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| | 2025 Games by Position |
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