Robert Gasser
Pitcher · Career Stats, Bio & Records (2024-2026)
Robert Gasser is a pitcher who has played in Major League Baseball since 2024 for the Milwaukee Brewers, a span of 3 seasons. Across 28 career appearances, he has gone 7-7 with a 3.59 ERA and 124 strikeouts. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 490.9.
- 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
- 6'0" / 192 lb
- MLB Debut
- 2024-05-10
- Jersey
- #54
Full name: Robert Riordan Gasser
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 | MIL | NL | 2 | 0 | 5 | 5 | 0 | 0 | 0 | 28.0 | 28 | 8 | 1 | 16 | 2.57 | 4.08 (+37%) | 490.9 |
| 2025 | MIL | NL | 0 | 2 | 2 | 2 | 0 | 0 | 0 | 5.2 | 5 | 2 | 4 | 5 | 3.18 | — | 0.0 |
| 2026 | MIL | NL | 5 | 5 | 21 | 20 | 0 | 0 | 0 | 109.1 | 95 | 47 | 35 | 103 | 3.87 | 4.18 (+7%) | - |
| Career · 3 seasons | 7 | 7 | 28 | 27 | 0 | 0 | 0 | 143.0 | 128 | 57 | 40 | 124 | 3.59 | — | 491 | ||
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 | MIL | NL | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 2025 | MIL | NL | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| Career · 2 seasons | 7 | 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 (14 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 5 | 0 | 0 | 0 | 0 | 0 | — |
| Away | 2 | 0 | 0 | 0 | 0 | 0 | — |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 5 | 24.2 | 22 | 4 | 3 | 19 | 1.46 |
| Away | 2 | 9.0 | 11 | 6 | 2 | 2 | 6.00 |
Last 7 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-09-27 | MIL | CIN | L | 2.2 | 4 | 4 | 0 | 2 | 3 | 0 |
| 2025-09-21 | MIL | STL | L | 3.0 | 1 | 2 | 2 | 2 | 2 | 1 |
| 2024-06-01 | MIL | CHW | — | 5.0 | 7 | 3 | 3 | 0 | 3 | 2 |
| 2024-05-27 | MIL | CHC | — | 6.0 | 3 | 0 | 0 | 0 | 7 | 0 |
| 2024-05-21 | MIL | MIA | — | 6.0 | 10 | 5 | 4 | 0 | 0 | 0 |
| 2024-05-15 | MIL | PIT | W | 5.0 | 6 | 1 | 1 | 1 | 2 | 0 |
| 2024-05-10 | MIL | STL | W | 6.0 | 2 | 0 | 0 | 0 | 4 | 0 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 7 |
Robert Gasser: the record in brief
Active since a debut on May 10, 2024, Robert Gasser has a record on this page that is still being added to. The team column never changes: it is the Milwaukee Brewers from 2024 to 2025. Gasser played primarily as a pitcher and threw and hit left-handed. The bio adds a birth date on May 31, 1999, in El Dorado Hills, CA, USA and a listed size of 6 feet, 0 inches and 192 pounds. Robert Gasser was the playing name; the full given name is Robert Riordan.
The pitching table credits Gasser with a 7-7 record and a 3.59 ERA in 28 games. The same table counts 124 strikeouts. Against a 4.14 league ERA for the same years, Gasser was 13.3% better. The best win total was 5, in 2026. Among the heaviest workloads, the lowest ERA was 3.87 in 2026, when the league's was 4.18. By Pitcher PIV, Baseball Data Hub's measure of run prevention relative to each season's league, Gasser's career adds up to 490.9.
The playoff pitching line reads 0-0, 6.75 ERA, across 2 appearances. Those appearances came in 2025.
The position breakdown shows 7 games, all at pitcher.
Retrosheet box scores cover 14 of Gasser's games, and the full game log is linked from the splits section.
Frequently Asked Questions about Robert Gasser
- What years did Robert Gasser play?
- Robert Gasser played in Major League Baseball from 2024 to 2026.
- Was Robert Gasser a pitcher?
- Yes. Robert Gasser pitched in the major leagues, recording 7 wins and 124 strikeouts.
- What teams has Robert Gasser played for?
- Robert Gasser has played for one team, the Milwaukee Brewers (2024–2026).
- What are Robert Gasser's career stats?
- In 28 games, Robert Gasser has gone 7-7 with a 3.59 ERA, 124 strikeouts, and 143.0 innings pitched.
- What position does Robert Gasser play?
- Robert Gasser plays primarily as a pitcher, the position where he has appeared in the most games.
- How tall is Robert Gasser and how much does he weigh?
- Robert Gasser is listed at 6 feet and 192 pounds.
- What number does Robert Gasser wear?
- Robert Gasser wears number 54, according to MLB's 2026 roster data.
- What was Robert Gasser's career ERA?
- Robert Gasser finished with a 3.59 career ERA, going 7-7 with 124 strikeouts.
- How many strikeouts did Robert Gasser have?
- Robert Gasser recorded 124 career strikeouts.