Mason Miller
Pitcher · Career Stats, Bio & Records (2023-2026)
Mason Miller is a pitcher who has played in Major League Baseball since 2023 for the Athletics, the Athletics, and the San Diego Padres, a span of 4 seasons. Across 191 career appearances, he has gone 8-9 with a 2.47 ERA, 375 strikeouts, and 88 saves. Mason Miller is an All-Star. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 6845.4.
- W (Wins):
- Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
- ERA (Earned Run Average):
- Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
- SO (Strikeouts):
- For a batter, times retired on a third strike; for a pitcher, batters retired on a third strike.
- WHIP (Walks and Hits per Inning Pitched):
- Baserunners allowed per inning: (BB + H) ÷ IP. Under 1.00 is elite.
Data updated
- Position
- Pitcher
- Bats / Throws
- R / R
- Height / Weight
- 6'5" / 220 lb
- MLB Debut
- 2023-04-19
- Awards
- All-Star
- Jersey
- #22
Full name: Mason James Miller
Season-by-Season Pitching
Click a stat to plot it across every season.
| Year | Team | Lg | W | L | G | GS | CG | SHO | SV | IP | H | ER | BB | SO | ERA | Lg ERA | Pitcher PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | OAK | AL | 0 | 3 | 10 | 6 | 0 | 0 | 0 | 33.1 | 24 | 14 | 16 | 38 | 3.78 | 4.33 (+13%) | 727.2 |
| 2024 | OAK | AL | 2 | 2 | 55 | 0 | 0 | 0 | 28 | 65.0 | 36 | 18 | 21 | 104 | 2.49 | 4.08 (+39%) | 3122.6 |
| 2025 | ATH | AL | 1 | 2 | 38 | 0 | 0 | 0 | 20 | 38.1 | 21 | 16 | 18 | 59 | 3.76 | 4.16 (+10%) | 1215.2 |
| 2025 | SDN | NL | 0 | 0 | 22 | 0 | 0 | 0 | 2 | 23.1 | 7 | 2 | 10 | 45 | 0.77 | 4.16 (+81%) | 1780.5 |
| 2026 | SD | NL | 5 | 2 | 66 | 0 | 0 | 0 | 38 | 70.0 | 37 | 13 | 26 | 129 | 1.67 | 4.18 (+60%) | - |
| Career · 5 seasons | 8 | 9 | 191 | 6 | 0 | 0 | 88 | 230.0 | 125 | 63 | 91 | 375 | 2.47 | — | 6,845 | ||
Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.
Season-by-Season Batting
Click a stat to plot it across every season.
| Year | Team | Lg | G | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG | Lg AVG | Lg OBP | Lg SLG | Lg OPS | PIV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | OAK | AL | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2024 | OAK | AL | 55 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2025 | ATH | AL | 38 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2025 | SDN | NL | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 4 seasons | 125 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | — | — | — | — | — | 0 | ||
Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.
Game Log & Splits
View full game log (250 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 64 | 0 | 0 | 0 | 0 | 0 | — |
| Away | 61 | 0 | 0 | 0 | 0 | 0 | — |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 64 | 82.1 | 42 | 21 | 28 | 125 | 2.30 |
| Away | 61 | 77.2 | 46 | 29 | 37 | 121 | 3.36 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-09-27 | SDP | AZ | — | 1.0 | 0 | 0 | 0 | 0 | 3 | 0 |
| 2025-09-26 | SDP | AZ | SV | 1.1 | 0 | 0 | 0 | 1 | 3 | 0 |
| 2025-09-21 | SDP | CHW | — | 0.2 | 0 | 0 | 0 | 2 | 1 | 0 |
| 2025-09-20 | SDP | CHW | — | 1.0 | 0 | 0 | 0 | 1 | 2 | 0 |
| 2025-09-17 | SDP | NYN | — | 1.2 | 0 | 0 | 0 | 0 | 2 | 0 |
| 2025-09-14 | SDP | COL | — | 1.1 | 0 | 0 | 0 | 0 | 3 | 0 |
| 2025-09-11 | SDP | COL | — | 1.0 | 0 | 0 | 0 | 0 | 2 | 0 |
| 2025-09-09 | SDP | CIN | — | 1.0 | 0 | 0 | 0 | 0 | 3 | 0 |
| 2025-09-08 | SDP | CIN | — | 1.0 | 0 | 0 | 0 | 0 | 2 | 0 |
| 2025-09-06 | SDP | COL | — | 1.1 | 1 | 0 | 0 | 1 | 2 | 0 |
Fielding Statistics
Career Fielding Totals by Position
Season-by-Season Fielding
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 125 |
Awards & Honors
| Year | Award | Notes |
|---|---|---|
| 2025 | Reliever of the Month | September |
| 2024 | All-MLB Team - Second Team | RP |
| 2024 | Reliever of the Month | April |
| 2024 | TSN Rookie of the Year |
Award Voting History
| Year | Award | League | Finish | Points Won | Points Max | Votes First |
|---|---|---|---|---|---|---|
| 2024 | Rookie of the Year | AL | 4th | 16.0 | 150 | 1 |
Compare Mason Miller
Mason Miller: the record in brief
The debut date in the bio is April 19, 2023; Mason Miller is an active player, and this profile updates as the season goes on. The season rows list, in order, the Oakland Athletics (2023 through 2024), the Athletics (2025), and the San Diego Padres (2025). Miller played primarily as a pitcher and threw and hit right-handed. The bio adds a birth date on August 24, 1998, in Pittsburgh, PA, USA and a listed size of 6'5" and 220 pounds. The given name on file is Mason James Miller.
The pitching table credits Miller with a 8-9 record and a 2.47 ERA in 191 games. Also on Miller's record: 375 strikeouts and 88 saves. That 2.47 ERA compares with a 4.19 league average across the same seasons, 41.1% better. Miller won 5 games in 2026, the most of any season listed. Miller saved 38 games in 2026, the season high. 2026 was Miller's sharpest full season, a 1.67 ERA against the league's 4.18. By Pitcher PIV, Baseball Data Hub's measure of run prevention relative to each season's league, Miller's career adds up to 6,845.4.
Frequently Asked Questions about Mason Miller
- What years did Mason Miller play?
- Mason Miller played in Major League Baseball from 2023 to 2026.
- Was Mason Miller a pitcher?
- Yes. Mason Miller pitched in the major leagues, recording 8 wins and 375 strikeouts.
- What teams has Mason Miller played for?
- Mason Miller has played for 2 teams: the Athletics (2023–2025) and the San Diego Padres (2025–2026).
- Has Mason Miller won a Cy Young Award?
- No. Mason Miller has not won the Cy Young Award through the 2025 season, the latest in the site's award records.
- What awards has Mason Miller won?
- Mason Miller has been selected to 1 All-Star Game.
- What are Mason Miller's career stats?
- In 191 games, Mason Miller has gone 8-9 with a 2.47 ERA, 375 strikeouts, 230.0 innings pitched, and 88 saves.
- What position does Mason Miller play?
- Mason Miller plays primarily as a pitcher, the position where he has appeared in the most games.
- How tall is Mason Miller and how much does he weigh?
- Mason Miller is listed at 6 feet 5 inches and 220 pounds.
- What number does Mason Miller wear?
- Mason Miller wears number 22, according to MLB's 2026 roster data.
- What was Mason Miller's career ERA?
- Mason Miller finished with a 2.47 career ERA, going 8-9 with 375 strikeouts.
- How many strikeouts did Mason Miller have?
- Mason Miller recorded 375 career strikeouts.
- How many All-Star Games has Mason Miller made?
- Mason Miller has been selected to 1 All-Star Game.