Mark Leiter Jr. stats
Last played for the Athletics, 2026
Relief Pitcher · #38
60-Day ILRight Hip · due back February 1
Bio
- Height
- 6' 0"
- Debut
- 2017
- Draft
- 2013Rd 22, Pk 661
- College
- NJIT
Bio
- Height
- 6' 0"
- Debut
- 2017
- Draft
- 2013Rd 22, Pk 661
- College
- NJIT
Stats
Standard
Career regular season
- GP
- 306
- W
- 16
- L
- 30
- ERA
- 4.57
- IP
- 386.0
- K
- 434
- BB
- 142
- WHIP
- 1.33
| GP: Games the player appeared in, however briefly. | W: Games in which this pitcher was credited with the win. | L: Games in which this pitcher was charged with the loss. | ERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent. | IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs. | K: Batters this pitcher struck out. | BB: Times the batter reached first base on four balls. | WHIP: Walks and hits allowed per inning pitched — lower is better. Around 1.00 is elite. | ||
|---|---|---|---|---|---|---|---|---|---|
| 2017 | PHI | 27 | 3 | 6 | 4.96 | 90.2 | 84 | 31 | 1.33 |
| 2018 |  PHI/TOR | 20 | 0 | 1 | 7.71 | 23.1 | 22 | 12 | 2.01 |
| 2022 | CHC | 35 | 2 | 7 | 3.99 | 67.2 | 73 | 25 | 1.14 |
| 2023 | CHC | 69 | 1 | 3 | 3.50 | 64.1 | 77 | 24 | 1.12 |
| 2024 |  CHC/NYY | 60 | 4 | 5 | 4.50 | 58.0 | 86 | 22 | 1.33 |
| 2025 | NYY | 59 | 6 | 7 | 4.84 | 48.1 | 54 | 17 | 1.53 |
| 2026 | ATH | 36 | 0 | 1 | 4.28 | 33.2 | 38 | 11 | 1.31 |
Career Postseason
- GP
- 6
- W
- 1
- L
- 0
- ERA
- 1.69
- IP
- 5.1
- K
- 5
- BB
- 5
- WHIP
- 1.50
Expanded
Career regular season
- QS
- 4
- CG
- 0
- SHO
- 0
- K/9
- 10.1
- GB
- 510
- FB
- 566
- G/F
- 0.90
- WP
- 27
| QS: Quality starts: six innings or more with no more than three earned runs. | CG: Complete games, pitched from the first out to the last. | SHO: Shutouts — complete games with no run allowed. | K/9: Strikeouts for every nine innings pitched. | GB: Ground balls hit against this pitcher. | FB: Fly balls hit against this pitcher. | G/F: Ground balls for every fly ball hit against this pitcher. | WP: Wild pitches — throws the catcher had no chance to stop. | ||
|---|---|---|---|---|---|---|---|---|---|
| 2017 | PHI | 4 | 0 | 0 | 8.3 | 135 | 138 | 1 | 3 |
| 2018 | PHI/TOR | 0 | 0 | 0 | 8.5 | 40 | 46 | 0.9 | 2 |
| 2022 | CHC | 0 | 0 | 0 | 9.7 | 87 | 90 | 1 | 5 |
| 2023 | CHC | 0 | 0 | 0 | 10.8 | 74 | 86 | 0.9 | 2 |
| 2024 | CHC/NYY | 0 | 0 | 0 | 13.3 | 67 | 78 | 0.9 | 5 |
| 2025 | NYY | 0 | 0 | 0 | 10.1 | 68 | 76 | 0.9 | 8 |
| 2026 | ATH | 0 | 0 | 0 | 10.2 | 39 | 52 | 0.8 | 2 |
Latest performance
Mark Leiter Jr.
Jul 18 · vs WSH · W 15-1
- IP
- 1.0
- H
- 1
- R
- 0
- ER
- 0
- BB
- 1
- K
- 2
- HR
- 0
- ERA
- 4.28
Games
All games| Date | Opponent | IP | H | R | ER | K |
|---|---|---|---|---|---|---|
| Sat, Jul 18 | vs WSHW 15-1 | 1 | 1 | 0 | 0 | 2 |
| Sun, Jul 12 | at CHWL 9-1 | 1 | 0 | 0 | 0 | 1 |
| Thu, Jul 09 | at DETL 4-1 | 1 | 1 | 0 | 0 | 2 |
| Fri, Jul 03 | vs MIAL 12-5 | 1 | 0 | 0 | 0 | 2 |
| Tue, Jun 16 | vs PITL 6-5 | 1 | 1 | 0 | 0 | 0 |
| Sat, Jun 13 | vs COLW 7-5 | 1 | 1 | 0 | 0 | 1 |
What were Mark Leiter Jr.'s career stats?
Mark Leiter Jr. played 7 seasons for the Phillies, the Cubs, the Yankees and the Athletics. He had 16 wins and 434 strikeouts with a 4.57 ERA over 386.0 innings. His best season was 2025: 6 wins, a 4.84 ERA and 54 strikeouts.
More on Mark Leiter Jr.
Playoff series
Mark Leiter Jr. played 6 games across 1 MLB postseason in 2 series — 1 won, 1 lost.
| IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs. | H: Times the batter reached base by hitting the ball, without help from an error. | ER: Earned runs allowed — runs that scored without help from an error. | K: Batters this pitcher struck out. | ||||
|---|---|---|---|---|---|---|---|
| 2024 |  CLE | Won 2-0 | 2 | 2.1 | 2 | 1 | 2 |
| 2024 |  LAD | Lost 1-3 | 4 | 3.0 | 1 | 0 | 3 |
Totals, from MLB game logs since the 2022 postseason — earlier series are not counted.
Mark Leiter Jr. against each club
- vs Milwaukee Brewers (22)
- vs Pittsburgh Pirates (17)
- vs St. Louis Cardinals (17)
- vs Cincinnati Reds (15)
- vs New York Mets (13)
- vs Texas Rangers (13)
- vs Los Angeles Dodgers (12)
- vs Toronto Blue Jays (12)
- vs Washington Nationals (10)
- vs Boston Red Sox (9)
- vs Chicago White Sox (9)
- vs Kansas City Royals (9)
- vs Baltimore Orioles (8)
- vs Los Angeles Angels (8)
- vs San Francisco Giants (8)
- vs Seattle Mariners (8)
- vs Tampa Bay Rays (8)
- vs Arizona Diamondbacks (7)
- vs Atlanta Braves (7)
- vs Cleveland Guardians (7)
- vs Detroit Tigers (7)
- vs Colorado Rockies (6)
- vs Houston Astros (6)
- vs Miami Marlins (6)
- vs Philadelphia Phillies (5)
- vs San Diego Padres (5)
- vs Athletics (3)
- vs Minnesota Twins (3)
- vs New York Yankees (3)
- vs Chicago Cubs (2)
Similar players
Closest career per-game profiles to Mark Leiter Jr. among MLB players at the same position.
- Anthony SwarzakAlike in WHIP, Wins85out of 100 on profile similarity
- Oliver DrakeAlike in Wins, WHIP85out of 100 on profile similarity
- Yohan RamirezPITAlike in Innings pitched, Strikeouts85out of 100 on profile similarity
- Chris MurphyAlike in WHIP, Strikeouts84out of 100 on profile similarity
- Beau BrieskeDETAlike in WHIP, Strikeouts83out of 100 on profile similarity
Compare Mark Leiter Jr. with Anthony Swarzak, Oliver Drake, Yohan Ramirez