 Mason Thompson
    		
            Mason Thompson| Year | W | L | Sv | Hold | IP | H | BB | SO | ER | ERA | WHIP | Rate | 
| 2025 proj | 2 | 2 | 0 | 7 | 41.0 | 40 | 16 | 34 | 19 | 4.17 | 1.366 | 5.7 | 
| 2025 | 1 | 1 | 0 | 0 | 10.7 | 16 | 12 | 11 | 14 | 11.81 | 2.625 | -14.4 | 
| 2023 | 4 | 4 | 1 | 10 | 54.0 | 62 | 22 | 44 | 33 | 5.50 | 1.556 | -2.7 | 
| 2022 | 1 | 1 | 1 | 0 | 24.7 | 19 | 9 | 15 | 8 | 2.92 | 1.135 | 9.8 | 

| Date | News | 
| 7/05/25 | Washington Nationals Activate Pitcher Recovered from Tommy John Surgery. The Washington Nationals made three pre-game moves before Saturday's game with the Boston Red Sox, all involving pitchers. Through their Nationals Communications account on X (formerly Twitter), the team announced that right-handed pitcher Mason Thompson returned from a rehab assignment and was reinstated from the 60-day injured list, making him active for the game. Washington had to make two moves to accommodate him. Source: https://www.si.com/mlb/nationals/news/washington-n... | 
See all news and stats for this player