Statistics| Year | Team | G | IP | H | K | BB | ER | Win | Sav | Hld | S+H | WHIP | ERA |
|---|
| 2023 | Nationals | 51 | 54.00 | 62 | 44 | 22 | 33 | 4 | 1 | 10 | 11 | 1.556 | 5.50 |
| 2022 | Nationals | 24 | 24.67 | 19 | 15 | 9 | 8 | 1 | 1 | 0 | 1 | 1.135 | 2.92 |
| 2021 | Tot | 31 | 24.67 | 32 | 23 | 15 | 11 | 1 | 0 | 7 | 7 | 1.905 | 4.01 |
| 2021 | Nationals | 27 | 21.67 | 28 | 21 | 14 | 10 | 1 | 0 | 6 | 6 | 1.938 | 4.15 |
| 2021 | Padres | 4 | 3.00 | 4 | 2 | 1 | 1 | 0 | 0 | 1 | 1 | 1.667 | 3.00 |
| Total MLB | 106 | 103.33 | 113 | 82 | 46 | 52 | 6 | 2 | 17 | 19 | 1.539 | 4.53 |
| 2025 | Spring | 0 | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 0.00 |
| | 2025 Projections |
|---|
| Source | | G | IP | H | K | BB | ER | Win | Sav | Hld | S+H | WHIP | ERA |
|---|
| Consensus | 41 | 42.29 | 41 | 37 | 16 | 19 | 3 | 0 | 8 | 8 | 1.349 | 4.10 |
| FangraphsDepth | 40 | 40.00 | 39 | 34 | 15 | 19 | 2 | 0 | 0 | 0 | 1.350 | 4.28 |
| RV Current | 46 | 53.30 | 49 | 49 | 21 | 23 | 4 | 0 | 14 | 14 | 1.318 | 3.91 |
| RotoValue | 46 | 46.58 | 43 | 42 | 18 | 20 | 3 | 0 | 9 | 9 | 1.320 | 3.92 |
| Steamer | 40 | 40.00 | 39 | 33 | 15 | 18 | 2 | 0 | 0 | 0 | 1.366 | 4.15 |
| ZiPS | 38 | 40.30 | 40 | 34 | 15 | 19 | 3 | 0 | 0 | 0 | 1.365 | 4.24 |
| modZiPS | 38 | 40.30 | 40 | 34 | 15 | 19 | 3 | 0 | 6 | 6 | 1.365 | 4.24 |
2025 Game Log | | Date | Time | Headline |
|---|
| Wed Feb 19 | 19:47 | Mason Thompson Placed On 60-Day Injured List | | Fri Feb 14 | 19:25 | Mason Thompson Could Be Ready For Opening Day | | Fri Nov 22 2024 | 00:34 | Nationals Sign Mason Thompson To A One-Year Deal | | Mon Feb 26 2024 | 18:24 | Mason Thompson To Be Re-Evaluated This Week | | Wed Feb 14 2024 | 17:35 | Mason Thompson Shut Down At Least Two Weeks | | Wed Apr 26 2023 | 08:06 | Mason Thompson Picks Up Tuesday's Save | | Wed Aug 10 2022 | 21:52 | Mason Thompson Optioned To Triple-A | | Sun Apr 10 2022 | 12:23 | Mason Thompson Placed On Injured List |
| | 2023 Games by Position |
|---|
| RP | 51 |
|---|
| 51 | consecutive relief appearances |
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