Edwin Díaz has a 21-19 record with an ERA of 3.19, 479 strikeouts and 129 saves in 295 appearances for the Mets in his career.
| 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 |  | E. Díaz | 2019 |  NYM | 66 | 2 | 7 | .222 | 0 | 5.59 | 99 | 0 | 0 | 26 | 58.0 | 58 | 36 | 36 | 15 | 22 | 4 | 48 | 3 | 254 | 3 | 15.36 | 3.41 | 4.50 | 2.33 | 39.0 | 8.7 | 1.38 | .377 | 5.59 | 137 | 4.50 | 105 | 9.00 | -1.4 |
| 2 | | E. Díaz | 2020 | NYM | 26 | 2 | 1 | .667 | 0 | 1.75 | 50 | 0 | 0 | 6 | 25.2 | 18 | 5 | 6 | 2 | 14 | 2 | 19 | 0 | 110 | 1 | 17.53 | 4.91 | 3.57 | 0.70 | 45.5 | 12.7 | 1.25 | .381 | 2.10 | 42 | 2.17 | 50 | 6.31 | 6.3 |
| 3 | | E. Díaz | 2021 | NYM | 63 | 5 | 6 | .455 | 0 | 3.45 | 89 | 0 | 0 | 32 | 62.2 | 43 | 24 | 27 | 3 | 23 | 9 | 51 | 1 | 257 | 5 | 12.78 | 3.30 | 3.87 | 0.43 | 34.6 | 8.9 | 1.05 | .301 | 3.88 | 86 | 2.48 | 59 | 6.18 | 12.1 |
| 4 | | E. Díaz | 2022 | NYM | 61 | 3 | 1 | .750 | 0 | 1.31 | 118 | 0 | 0 | 32 | 62.0 | 34 | 9 | 9 | 3 | 18 | 2 | 49 | 1 | 235 | 2 | 17.13 | 2.61 | 6.56 | 0.44 | 50.2 | 7.7 | 0.84 | .330 | 1.31 | 34 | 0.90 | 23 | 4.94 | 21.2 |
| 5 | | E. Díaz | 2024 | NYM | 54 | 6 | 4 | .600 | 0 | 3.52 | 84 | 0 | 0 | 20 | 53.2 | 36 | 21 | 23 | 7 | 20 | 3 | 40 | 0 | 216 | 3 | 14.09 | 3.35 | 4.20 | 1.17 | 38.9 | 9.3 | 1.04 | .284 | 3.86 | 89 | 3.01 | 75 | 6.04 | 6 |
| 6 | | E. Díaz | 2025 | NYM | 25 | 3 | 0 | 1.000 | 0 | 2.49 | 39 | 0 | 0 | 13 | 25.1 | 14 | 7 | 8 | 2 | 11 | 3 | 19 | 0 | 101 | 5 | 13.86 | 3.91 | 3.55 | 0.71 | 38.6 | 10.9 | 0.99 | .261 | 2.84 | 64 | 2.67 | 68 | 4.97 | 3.5 |
| Total | 295 | 21 | 19 | .525 | 0 | 3.19 | 479 | 0 | 0 | 129 | 287.1 | 203 | 102 | 109 | 32 | 108 | 23 | 226 | 5 | 1,173 | 19 | 15.00 | 3.38 | 4.44 | 1.00 | 40.8 | 9.2 | 1.08 | .322 | 3.41 | 80 | 2.63 | 63 | 6.36 | 47.7 |
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