| Year | W | L | Sv | Hold | IP | H | BB | SO | ER | ERA | WHIP | Rate |
| 2026 proj | 1 | 2 | 20 | 5 | 58.0 | 30 | 24 | 93 | 17 | 2.69 | 0.919 | 45.0 |
| 2025 | 1 | 2 | 22 | 10 | 61.7 | 28 | 28 | 104 | 18 | 2.63 | 0.908 | 59.9 |
| 2024 | 2 | 2 | 28 | 0 | 65.0 | 35 | 21 | 104 | 18 | 2.49 | 0.862 | 70.7 |
| 2023 | 0 | 3 | 0 | 1 | 33.3 | 24 | 16 | 38 | 14 | 3.78 | 1.200 | 7.4 |
| Date | News |
| 3/11/26 | [Just Baseball] - Who Will Be the Athletics’ Closer?. Regardless of how the past few seasons have fared for the A’s, when they were leading in the ninth, you knew you had something exciting to watch. Mason Miller lit up the radar gun and had a knack for leaving you in disbelief at how uncomfortable he made batters look. Once he was traded to […] The post appeared first on . Source: https://sportspyder.com/mlb/oakland-athletics/arti... |
| 3/09/26 | [Fan Nation] - Dave Roberts Praises A's Top Prospect Leo De Vries in Four Words. After Sunday's performance, many fans are ready to declare the A's the winner of the Mason Miller trade. Dodgers manager Dave Roberts may agree. Source: https://sportspyder.com/mlb/oakland-athletics/arti... |
| 2/22/26 | No surprise: Mason Miller already bringing heat as he readies for first season as Padres closer. Right-hander, who came out throwing 102 mph in first spring appearance, has thrown 28 of the 30 fastest recorded pitches in Padres history. Source: https://www.sandiegouniontribune.com/2026/02/22/no... |
| 2/18/26 | Olney ranks MLB's top 10 relievers -- and there's no doubt about who's No. 1. The dominance of San Diego's Mason Miller is undeniable, but who else makes the grade? Source: https://www.espn.com/mlb/story/_/id/47900466/mlb-2... |
| 2/18/26 | Buster Olney ranks MLB's top 10 relievers -- and there's no doubt about who's No. 1. The dominance of San Diego's Mason Miller is undeniable, but who else makes the grade? Source: https://www.espn.com/mlb/story/_/id/47900466/mlb-2... |
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