Mark Leiter Jr. has played 6 seasons for 4 teams, including the Cubs and Yankees. He has 16 wins, 29 losses, an ERA of 4.61 and 395 strikeouts.
| NAME | SEASON | TM | G | W | L | W% | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | M. Leiter Jr. | 2017 |  PHI | 27 | 3 | 6 | .333 | 11 | 4.96 | 84 | 0 | 0 | 0 | 90.2 | 90 | 50 | 59 | 18 | 31 | 7 | 5 | 2 | 395 | 3 | 8.34 | 3.08 | 2.71 | 1.79 | 21.3 | 7.8 | 1.33 | .282 | 5.86 | 114 | 5.14 | 117 | 8.93 | -7.2 |
| 2 | | M. Leiter Jr. | 2018 | TOT | 20 | 0 | 1 | .000 | 0 | 7.71 | 22 | 0 | 0 | 0 | 23.1 | 35 | 20 | 28 | 7 | 12 | 2 | 4 | 3 | 123 | 2 | 8.49 | 4.63 | 1.83 | 2.70 | 17.9 | 9.8 | 2.01 | .350 | 10.80 | 185 | 6.97 | 166 | 13.50 | -7 |
| 3 | | M. Leiter Jr. | 2022 |  CHC | 35 | 2 | 7 | .222 | 4 | 3.99 | 73 | 0 | 0 | 3 | 67.2 | 52 | 30 | 32 | 10 | 25 | 7 | 11 | 2 | 282 | 5 | 9.71 | 3.33 | 2.92 | 1.33 | 25.9 | 8.9 | 1.14 | .251 | 4.26 | 100 | 4.29 | 109 | 6.92 | -2.6 |
| 4 | | M. Leiter Jr. | 2023 | CHC | 69 | 1 | 3 | .250 | 0 | 3.50 | 77 | 0 | 0 | 4 | 64.1 | 48 | 25 | 27 | 7 | 24 | 8 | 12 | 0 | 269 | 2 | 10.77 | 3.36 | 3.21 | 0.98 | 28.6 | 8.9 | 1.12 | .268 | 3.78 | 82 | 3.76 | 88 | 6.72 | 3.8 |
| 5 | | M. Leiter Jr. | 2024 | TOT | 60 | 4 | 5 | .444 | 0 | 4.50 | 86 | 0 | 0 | 0 | 58.0 | 55 | 29 | 34 | 8 | 22 | 3 | 7 | 1 | 256 | 5 | 13.34 | 3.41 | 3.91 | 1.24 | 33.6 | 8.6 | 1.33 | .343 | 5.28 | 112 | 3.28 | 80 | 8.53 | 5.3 |
| 6 | | M. Leiter Jr. | 2025 |  NYY | 58 | 6 | 7 | .462 | 0 | 4.91 | 53 | 0 | 0 | 2 | 47.2 | 57 | 26 | 31 | 5 | 15 | 4 | 11 | 0 | 214 | 8 | 10.01 | 2.83 | 3.53 | 0.94 | 24.8 | 7.0 | 1.51 | .380 | 5.85 | 120 | 3.47 | 81 | 10.76 | 4.4 |
| Total | 269 | 16 | 29 | .356 | 15 | 4.61 | 395 | 0 | 0 | 9 | 351.2 | 337 | 180 | 211 | 55 | 129 | 31 | 50 | 8 | 1,539 | 25 | 10.11 | 3.30 | 3.06 | 1.41 | 25.7 | 8.4 | 1.33 | .304 | 5.40 | 111 | 4.31 | 102 | 8.62 | -3.4 |
Mets 
Brewers 
Dodgers 
Padres 
Blue Jays 
Guardians 
Tigers 
Mariners 
Astros 
MIN 
LAA 
COL 
TEX 
BOS 
ATH 
AZ 
SFG 
PIT 
CIN 
TBR 
BAL 
