Sandy Alcantara has a 47-66 record with an ERA of 3.69 and 869 strikeouts in 161 appearances for the Marlins 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 |  | S. Alcantara | 2018 |  MIA | 6 | 2 | 3 | .400 | 6 | 3.44 | 30 | 0 | 0 | 0 | 34.0 | 25 | 13 | 13 | 3 | 23 | 2 | 0 | 0 | 146 | 0 | 7.94 | 6.09 | 1.30 | 0.79 | 20.5 | 15.8 | 1.41 | .250 | 3.44 | 90 | 4.74 | 120 | 6.62 | -3.2 |
| 2 | | S. Alcantara | 2019 |  MIA | 32 | 6 | 14 | .300 | 32 | 3.88 | 151 | 2 | 2 | 0 | 197.1 | 179 | 85 | 94 | 23 | 81 | 8 | 0 | 5 | 838 | 4 | 6.89 | 3.69 | 1.86 | 1.05 | 18.0 | 9.7 | 1.32 | .271 | 4.29 | 93 | 4.54 | 106 | 8.16 | -5.9 |
| 3 | | S. Alcantara | 2020 | MIA | 7 | 3 | 2 | .600 | 7 | 3.00 | 39 | 0 | 0 | 0 | 42.0 | 35 | 14 | 22 | 4 | 15 | 1 | 0 | 0 | 172 | 1 | 8.36 | 3.21 | 2.60 | 0.86 | 22.7 | 8.7 | 1.19 | .274 | 4.71 | 69 | 3.71 | 85 | 7.50 | 3.1 |
| 4 | | S. Alcantara | 2021 | MIA | 33 | 9 | 15 | .375 | 33 | 3.19 | 201 | 1 | 0 | 0 | 205.2 | 171 | 73 | 85 | 21 | 50 | 10 | 0 | 2 | 837 | 6 | 8.80 | 2.19 | 4.02 | 0.92 | 24.0 | 6.0 | 1.07 | .270 | 3.72 | 76 | 3.41 | 82 | 7.48 | 17.2 |
| 5 | | S. Alcantara | 2022 | MIA | 32 | 14 | 9 | .609 | 32 | 2.28 | 207 | 6 | 1 | 0 | 228.2 | 174 | 58 | 67 | 16 | 50 | 9 | 0 | 1 | 886 | 3 | 8.15 | 1.97 | 4.14 | 0.63 | 23.4 | 5.6 | 0.98 | .262 | 2.64 | 56 | 2.98 | 76 | 6.85 | 23.8 |
| 6 | | S. Alcantara | 2023 | MIA | 28 | 7 | 12 | .368 | 28 | 4.14 | 151 | 3 | 1 | 0 | 184.2 | 176 | 85 | 91 | 22 | 48 | 5 | 0 | 0 | 762 | 4 | 7.36 | 2.34 | 3.15 | 1.07 | 19.8 | 6.3 | 1.21 | .287 | 4.44 | 93 | 4.03 | 92 | 8.58 | 7.2 |
| 7 | | S. Alcantara | 2025 | MIA | 23 | 6 | 11 | .353 | 23 | 6.55 | 90 | 0 | 0 | 0 | 121.0 | 129 | 88 | 90 | 15 | 47 | 6 | 0 | 0 | 536 | 7 | 6.69 | 3.50 | 1.91 | 1.12 | 16.8 | 8.8 | 1.45 | .302 | 6.69 | 153 | 4.54 | 111 | 9.60 | -6.1 |
| Total | 161 | 47 | 66 | .416 | 161 | 3.69 | 869 | 12 | 4 | 0 | 1013.1 | 889 | 416 | 462 | 104 | 314 | 41 | 0 | 8 | 4,177 | 25 | 7.72 | 2.79 | 2.77 | 0.92 | 20.8 | 7.5 | 1.19 | .276 | 4.10 | 87 | 3.84 | 92 | 7.90 | 36.1 |
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