Mason Montgomery
Pitcher · Career Stats, Bio & Records (2024-2026)
Mason Montgomery is a pitcher who has played in Major League Baseball since 2024 for the Tampa Bay Rays and the Pittsburgh Pirates, a span of 3 seasons. Across 136 career appearances, he has gone 7-7 with a 3.84 ERA and 185 strikeouts. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 279.5.
- 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
- L / L
- Height / Weight
- 6'2" / 205 lb
- MLB Debut
- 2024-09-05
- Jersey
- #46
Full name: Mason Jack Montgomery
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | TBA | AL | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 9.2 | 6 | 2 | 5 | 17 | 1.86 | 4.08 (+54%) | 0.0 |
| 2025 | TBA | AL | 1 | 3 | 57 | 0 | 0 | 0 | 1 | 46.0 | 49 | 29 | 27 | 63 | 5.67 | 4.16 (-36%) | 279.5 |
| 2026 | PIT | NL | 6 | 4 | 70 | 5 | 0 | 0 | 18 | 68.2 | 45 | 22 | 26 | 105 | 2.88 | 4.18 (+31%) | - |
| Career · 3 seasons | 7 | 7 | 136 | 5 | 0 | 0 | 19 | 124.1 | 100 | 53 | 58 | 185 | 3.84 | — | 279 | ||
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | TBA | AL | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2025 | TBA | AL | 57 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 2 seasons | 66 | 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 (132 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 34 | 0 | 0 | 0 | 0 | 0 | — |
| Away | 32 | 0 | 0 | 0 | 0 | 0 | — |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 34 | 29.0 | 31 | 10 | 12 | 37 | 3.10 |
| Away | 32 | 26.2 | 24 | 21 | 20 | 43 | 7.09 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-09-10 | TBR | CHW | L | 0.2 | 5 | 5 | 5 | 1 | 1 | 0 |
| 2025-09-09 | TBR | CHW | — | 0.1 | 2 | 1 | 1 | 0 | 1 | 0 |
| 2025-09-07 | TBR | CLE | — | 1.0 | 0 | 0 | 0 | 0 | 3 | 0 |
| 2025-09-05 | TBR | CLE | — | 1.0 | 1 | 0 | 0 | 0 | 1 | 0 |
| 2025-08-31 | TBR | WAS | — | 1.0 | 0 | 0 | 0 | 1 | 3 | 0 |
| 2025-08-26 | TBR | CLE | — | 1.0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 2025-08-24 | TBR | STL | — | 0.2 | 1 | 1 | 0 | 1 | 2 | 0 |
| 2025-08-21 | TBR | STL | — | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2025-08-19 | TBR | NYY | — | 1.0 | 2 | 1 | 1 | 0 | 1 | 1 |
| 2025-08-17 | TBR | SFG | — | 0.1 | 0 | 0 | 0 | 0 | 1 | 0 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 66 |
Mason Montgomery: the record in brief
The debut date in the bio is September 5, 2024; Mason Montgomery is an active player, and this profile updates as the season goes on. Montgomery spent the whole of the career shown here with one club, the Tampa Bay Rays. The bio lists Montgomery as a pitcher who both batted and threw left-handed. Height and weight on file: 6'2" and 205 pounds. Montgomery was born on June 17, 2000, in Austin, TX, USA. Mason Montgomery was the playing name; the full given name is Mason Jack.
The pitching table credits Montgomery with a 7-7 record and a 3.84 ERA in 136 games. The totals include 185 strikeouts and 19 saves. That 3.84 ERA compares with a 4.14 league average across the same seasons, 7.3% better. The best win total was 6, in 2026. The most saves in one season was 18, in 2026. 2026 was Montgomery's sharpest full season, a 2.88 ERA against the league's 4.18. By Pitcher PIV, Baseball Data Hub's measure of run prevention relative to each season's league, Montgomery's career adds up to 279.5.
Montgomery appears at one position only: pitcher, in 66 games. On the mound, Montgomery's fielding totals are 3 putouts, 6 assists and 1 errors.
Montgomery's game-by-game log, linked below the splits, holds 132 games from Retrosheet.
Frequently Asked Questions about Mason Montgomery
- What years did Mason Montgomery play?
- Mason Montgomery played in Major League Baseball from 2024 to 2026.
- Was Mason Montgomery a pitcher?
- Yes. Mason Montgomery pitched in the major leagues, recording 7 wins and 185 strikeouts.
- What teams has Mason Montgomery played for?
- Mason Montgomery has played for 2 teams: the Tampa Bay Rays (2024–2025) and the Pittsburgh Pirates (2026).
- What are Mason Montgomery's career stats?
- In 136 games, Mason Montgomery has gone 7-7 with a 3.84 ERA, 185 strikeouts, 124.1 innings pitched, and 19 saves.
- What position does Mason Montgomery play?
- Mason Montgomery plays primarily as a pitcher, the position where he has appeared in the most games.
- How tall is Mason Montgomery and how much does he weigh?
- Mason Montgomery is listed at 6 feet 2 inches and 205 pounds.
- What number does Mason Montgomery wear?
- Mason Montgomery wears number 46, according to MLB's 2026 roster data.
- What was Mason Montgomery's career ERA?
- Mason Montgomery finished with a 3.84 career ERA, going 7-7 with 185 strikeouts.
- How many strikeouts did Mason Montgomery have?
- Mason Montgomery recorded 185 career strikeouts.