| Year | W | L | Sv | Hold | IP | H | BB | SO | ER | ERA | WHIP | Rate |
| 2026 proj | 11 | 8 | 0 | 0 | 164.0 | 154 | 36 | 160 | 66 | 3.62 | 1.159 | 47.5 |
| 2025 | 7 | 4 | 0 | 0 | 110.7 | 89 | 18 | 108 | 38 | 3.09 | 0.967 | 52.5 |
| 2024 | 8 | 7 | 0 | 0 | 123.7 | 106 | 23 | 127 | 46 | 3.35 | 1.043 | 51.8 |
| Date | News |
| 8/23/25 | Braves pitcher gets pivotal update as season winds down. Atlanta Braves pitcher Spencer Schwellenbach is dealing with an elbow injury, however, the 25-year-old right-handed hurler is still hoping to take important steps forward before the season ends. Schwellenbach may not be expected to return to game-action with the Braves in 2025, but he is hoping to throw live batting practice before the offseason, according to Grant McAuley of 92.9 The Game. “#Braves Spencer Schwellenbach told me he's been throwing for 2 weeks. Source: https://clutchpoints.com/mlb/atlanta-braves/braves... |
| 8/11/25 | Braves Legends Think Wrong Pitching Attributes Are Prioritized. Injuries continue to plague the Atlanta Braves. Spencer Schwellenbach might not return this season either. Only Chris Sale is without an injury that is throwing-related. Not too long ago, they were without Spencer Strider for about a year. Source: https://www.si.com/mlb/braves/news/braves-legends-... |
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