Charlie Morton and Jesse Chavez are tied for the oldest relief pitchers this season. They are 41 years old.
| NAME | AGE | 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 | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | C. Morton | 41 | 2025 |  BAL | 1 | 0 | 1 | .000 | 0 | 7.36 | 3 | 0 | 0 | 0 | 3.2 | 3 | 3 | 3 | 1 | 5 | 0 | 0 | 0 | 18 | 0 | 7.36 | 12.27 | 0.60 | 2.45 | 16.7 | 27.8 | 2.18 | .222 | 7.36 | 7.36 |
| 2 |  | J. Chavez | 41 | 2025 |  ATL | 2 | 0 | 0 | 0 | 6.00 | 3 | 0 | 0 | 0 | 3.0 | 4 | 2 | 2 | 1 | 3 | 0 | 0 | 0 | 16 | 0 | 9.00 | 9.00 | 1.00 | 3.00 | 18.8 | 18.8 | 2.33 | .333 | 6.00 | 12.00 | |
| 3 |  | A. Ottavino | 39 | 2025 |  NYY | 3 | 0 | 0 | 0 | 0.00 | 3 | 0 | 0 | 0 | 1.2 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 9 | 0 | 16.20 | 21.60 | 0.75 | 0.00 | 33.3 | 44.4 | 2.40 | .000 | 0.00 | 0.00 | |
| 4 |  | C. Martin | 39 | 2025 |  TEX | 14 | 0 | 3 | .000 | 0 | 2.03 | 18 | 0 | 0 | 1 | 13.1 | 10 | 3 | 7 | 1 | 3 | 0 | 2 | 2 | 54 | 1 | 12.15 | 2.03 | 6.00 | 0.68 | 33.3 | 5.6 | 0.98 | .281 | 4.73 | 6.75 |
| 5 | | C. Carrasco | 38 | 2025 | NYY | 1 | 0 | 0 | 0 | 13.50 | 2 | 0 | 0 | 0 | 2.0 | 5 | 3 | 3 | 1 | 0 | 0 | 1 | 0 | 11 | 0 | 9.00 | 0.00 | 4.50 | 18.2 | 0.0 | 2.50 | .500 | 13.50 | 22.50 | ||
| 6 |  | L. GarcÃa | 38 | 2025 |  LAD | 14 | 1 | 0 | 1.000 | 0 | 4.50 | 14 | 0 | 0 | 0 | 14.0 | 12 | 7 | 8 | 1 | 9 | 0 | 7 | 2 | 60 | 3 | 9.00 | 5.79 | 1.56 | 0.64 | 23.3 | 15.0 | 1.50 | .306 | 5.14 | 7.71 |
| 7 |  | C. Thielbar | 38 | 2025 |  CHC | 12 | 1 | 0 | 1.000 | 0 | 3.48 | 9 | 0 | 0 | 1 | 10.1 | 4 | 4 | 4 | 0 | 7 | 0 | 3 | 1 | 42 | 0 | 7.84 | 6.10 | 1.29 | 0.00 | 21.4 | 16.7 | 1.06 | .154 | 3.48 | 3.48 |
| 8 | | K. Yates | 38 | 2025 | LAD | 16 | 3 | 1 | .750 | 0 | 2.63 | 24 | 0 | 0 | 0 | 13.2 | 10 | 4 | 5 | 1 | 5 | 1 | 2 | 0 | 56 | 1 | 15.80 | 3.29 | 4.80 | 0.66 | 42.9 | 8.9 | 1.10 | .360 | 3.29 | 6.59 |
| 9 |  | C. Lawrence | 37 | 2025 |  SEA | 4 | 1 | 1 | .500 | 0 | 3.60 | 4 | 0 | 0 | 0 | 10.0 | 14 | 4 | 11 | 2 | 1 | 0 | 3 | 0 | 45 | 1 | 3.60 | 0.90 | 4.00 | 1.80 | 8.9 | 2.2 | 1.50 | .316 | 9.90 | 12.60 |
| 10 |  | K. Jansen | 37 | 2025 |  LAA | 8 | 0 | 0 | 0 | 0.00 | 8 | 0 | 0 | 6 | 8.0 | 5 | 0 | 0 | 0 | 2 | 0 | 7 | 0 | 30 | 0 | 9.00 | 2.25 | 4.00 | 0.00 | 26.7 | 6.7 | 0.88 | .250 | 0.00 | 5.63 | |
| 11 |  | J. Wilson | 37 | 2025 |  BOS | 11 | 0 | 0 | 0 | 4.15 | 6 | 0 | 0 | 0 | 8.2 | 9 | 4 | 4 | 0 | 4 | 0 | 0 | 1 | 37 | 0 | 6.23 | 4.15 | 1.50 | 0.00 | 16.2 | 10.8 | 1.50 | .333 | 4.15 | 9.35 | |
| 12 |  | K. Maeda | 37 | 2025 |  DET | 6 | 0 | 0 | 0 | 9.00 | 7 | 0 | 0 | 0 | 7.0 | 9 | 7 | 8 | 1 | 6 | 2 | 4 | 0 | 39 | 2 | 9.00 | 7.71 | 1.17 | 1.29 | 17.9 | 15.4 | 2.14 | .348 | 10.29 | 11.57 | |
| 13 |  | A. Chapman | 37 | 2025 | BOS | 12 | 2 | 1 | .667 | 0 | 1.74 | 16 | 0 | 0 | 4 | 10.1 | 7 | 2 | 2 | 1 | 4 | 0 | 7 | 0 | 42 | 1 | 13.94 | 3.48 | 4.00 | 0.87 | 38.1 | 9.5 | 1.06 | .286 | 1.74 | 6.10 |
| 14 | | R. Brasier | 37 | 2025 | CHC | 1 | 0 | 0 | 0 | 9.00 | 1 | 0 | 0 | 0 | 1.0 | 2 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 6 | 0 | 9.00 | 9.00 | 1.00 | 0.00 | 16.7 | 16.7 | 3.00 | .500 | 9.00 | 18.00 | |
| 15 |  | B. Treinen | 37 | 2025 | LAD | 8 | 0 | 2 | .000 | 0 | 3.38 | 10 | 0 | 0 | 2 | 8.0 | 8 | 3 | 3 | 1 | 3 | 1 | 3 | 0 | 36 | 0 | 11.25 | 3.38 | 3.33 | 1.13 | 27.8 | 8.3 | 1.38 | .333 | 3.38 | 9.00 |
| 16 | | D. Pomeranz | 36 | 2025 | CHC | 2 | 0 | 0 | 0 | 0.00 | 2 | 0 | 0 | 0 | 2.1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 9 | 0 | 7.71 | 3.86 | 2.00 | 0.00 | 22.2 | 11.1 | 0.43 | .000 | 0.00 | 0.00 | |
| 17 | | L. Hendriks | 36 | 2025 | BOS | 4 | 0 | 0 | 0 | 4.50 | 4 | 0 | 0 | 0 | 4.0 | 4 | 2 | 2 | 1 | 4 | 0 | 2 | 0 | 18 | 0 | 9.00 | 9.00 | 1.00 | 2.25 | 22.2 | 22.2 | 2.00 | .333 | 4.50 | 9.00 | |
| 18 | | M. Rojas | 36 | 2025 | LAD | 1 | 0 | 0 | 0 | 22.50 | 0 | 0 | 0 | 0 | 2.0 | 7 | 5 | 5 | 1 | 0 | 1 | 1 | 0 | 14 | 0 | 0.00 | 0.00 | 4.50 | 0.0 | 0.0 | 3.50 | .500 | 22.50 | 31.50 | ||
| 19 |  | T.J. McFarland | 36 | 2025 |  ATH | 12 | 0 | 0 | 0 | 8.10 | 2 | 0 | 0 | 0 | 6.2 | 12 | 6 | 6 | 0 | 2 | 1 | 3 | 0 | 34 | 0 | 2.70 | 2.70 | 1.00 | 0.00 | 5.9 | 5.9 | 2.10 | .414 | 8.10 | 16.20 | |
| 20 | | H. Neris | 36 | 2025 | ATL | 2 | 0 | 1 | .000 | 0 | 45.00 | 1 | 0 | 0 | 0 | 1.0 | 5 | 5 | 5 | 1 | 1 | 0 | 1 | 0 | 8 | 0 | 9.00 | 9.00 | 1.00 | 9.00 | 12.5 | 12.5 | 6.00 | .800 | 45.00 | 45.00 |
| 21 | | R. Pressly | 36 | 2025 | CHC | 12 | 2 | 1 | .667 | 0 | 2.25 | 5 | 0 | 0 | 4 | 12.0 | 12 | 3 | 4 | 1 | 7 | 0 | 9 | 0 | 51 | 0 | 3.75 | 5.25 | 0.71 | 0.75 | 9.8 | 13.7 | 1.58 | .289 | 3.00 | 9.00 |
| 22 |  | C. Sulser | 35 | 2025 |  TBR | 1 | 0 | 1 | .000 | 0 | 18.00 | 0 | 0 | 0 | 0 | 1.0 | 4 | 2 | 2 | 1 | 1 | 0 | 1 | 0 | 7 | 0 | 0.00 | 9.00 | 0.00 | 9.00 | 0.0 | 14.3 | 5.00 | .600 | 18.00 | 36.00 |
| 23 | | R. Stock | 35 | 2025 | BOS | 1 | 0 | 0 | 0 | 4.50 | 0 | 0 | 0 | 0 | 2.0 | 3 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 9 | 0 | 0.00 | 4.50 | 0.00 | 0.00 | 0.0 | 11.1 | 2.00 | .375 | 4.50 | 13.50 | |
| 24 | | J. Hahn | 35 | 2025 | SEA | 2 | 0 | 1 | .000 | 0 | 0.00 | 3 | 0 | 0 | 0 | 4.0 | 3 | 0 | 1 | 0 | 4 | 0 | 2 | 3 | 17 | 0 | 6.75 | 9.00 | 0.75 | 0.00 | 17.6 | 23.5 | 1.75 | .300 | 2.25 | 6.75 |
| 25 | | R. Iglesias | 35 | 2025 | ATL | 11 | 1 | 2 | .333 | 0 | 5.73 | 10 | 0 | 0 | 5 | 11.0 | 10 | 7 | 7 | 5 | 2 | 0 | 9 | 0 | 44 | 0 | 8.18 | 1.64 | 5.00 | 4.09 | 22.7 | 4.5 | 1.09 | .185 | 5.73 | 8.18 |
StatMuse has game-level data for player age going back to the 1908 season.
Some of the information used here was obtained free of charge from Retrosheet.
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