Zach Eflin has played 10 seasons for the Phillies, Orioles and Rays. He has 68 wins, 67 losses, an ERA of 4.28 and 922 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 |  | Z. Eflin | 2016 |  PHI | 11 | 3 | 5 | .375 | 11 | 5.54 | 31 | 2 | 1 | 0 | 63.1 | 67 | 39 | 42 | 12 | 17 | 1 | 0 | 1 | 272 | 1 | 4.41 | 2.42 | 1.82 | 1.71 | 11.4 | 6.3 | 1.33 | .261 | 5.97 | 134 | 5.48 | 130 | 9.52 | -8.7 |
| 2 | | Z. Eflin | 2017 | PHI | 11 | 1 | 5 | .167 | 11 | 6.16 | 35 | 0 | 0 | 0 | 64.1 | 79 | 44 | 45 | 16 | 12 | 5 | 0 | 0 | 280 | 2 | 4.90 | 1.68 | 2.92 | 2.24 | 12.5 | 4.3 | 1.41 | .297 | 6.30 | 142 | 6.09 | 138 | 11.05 | -11.8 |
| 3 | | Z. Eflin | 2018 | PHI | 24 | 11 | 8 | .579 | 24 | 4.36 | 123 | 0 | 0 | 0 | 128.0 | 130 | 62 | 69 | 16 | 37 | 3 | 0 | 4 | 548 | 4 | 8.65 | 2.60 | 3.32 | 1.13 | 22.4 | 6.8 | 1.30 | .309 | 4.85 | 108 | 3.80 | 91 | 9.14 | 5.5 |
| 4 | | Z. Eflin | 2019 | PHI | 32 | 10 | 13 | .435 | 28 | 4.13 | 129 | 2 | 1 | 0 | 163.1 | 172 | 75 | 88 | 28 | 48 | 6 | 3 | 5 | 705 | 1 | 7.11 | 2.64 | 2.69 | 1.54 | 18.3 | 6.8 | 1.35 | .291 | 4.85 | 93 | 4.84 | 106 | 9.48 | -4.9 |
| 5 | | Z. Eflin | 2020 | PHI | 11 | 4 | 2 | .667 | 10 | 3.97 | 70 | 1 | 1 | 0 | 59.0 | 60 | 26 | 28 | 8 | 15 | 1 | 0 | 0 | 245 | 1 | 10.68 | 2.29 | 4.67 | 1.22 | 28.6 | 6.1 | 1.27 | .344 | 4.27 | 88 | 3.39 | 75 | 9.15 | 7.4 |
| 6 | | Z. Eflin | 2021 | PHI | 18 | 4 | 7 | .364 | 18 | 4.17 | 99 | 0 | 0 | 0 | 105.2 | 116 | 49 | 52 | 15 | 16 | 3 | 0 | 2 | 442 | 2 | 8.43 | 1.36 | 6.19 | 1.28 | 22.4 | 3.6 | 1.25 | .327 | 4.43 | 99 | 3.67 | 85 | 9.88 | 7.6 |
| 7 | | Z. Eflin | 2022 | PHI | 20 | 3 | 5 | .375 | 13 | 4.04 | 65 | 0 | 0 | 1 | 75.2 | 70 | 34 | 38 | 8 | 15 | 5 | 2 | 1 | 313 | 0 | 7.73 | 1.78 | 4.33 | 0.95 | 20.8 | 4.8 | 1.12 | .282 | 4.52 | 100 | 3.56 | 87 | 8.33 | 4.3 |
| 8 | | Z. Eflin | 2023 |  TBR | 31 | 16 | 8 | .667 | 31 | 3.50 | 186 | 0 | 0 | 0 | 177.2 | 158 | 69 | 69 | 19 | 24 | 3 | 0 | 1 | 703 | 0 | 9.42 | 1.22 | 7.75 | 0.96 | 26.5 | 3.4 | 1.02 | .295 | 3.50 | 85 | 3.00 | 72 | 8.00 | 23.2 |
| 9 | | Z. Eflin | 2024 | TOT | 28 | 10 | 9 | .526 | 28 | 3.59 | 134 | 0 | 0 | 0 | 165.1 | 166 | 66 | 71 | 22 | 24 | 3 | 0 | 0 | 684 | 2 | 7.29 | 1.31 | 5.58 | 1.20 | 19.6 | 3.5 | 1.15 | .287 | 3.86 | 93 | 3.76 | 94 | 9.04 | 4 |
| 10 | | Z. Eflin | 2025 |  BAL | 14 | 6 | 5 | .545 | 14 | 5.93 | 50 | 0 | 0 | 0 | 71.1 | 88 | 47 | 48 | 18 | 13 | 2 | 0 | 0 | 309 | 1 | 6.31 | 1.64 | 3.85 | 2.27 | 16.2 | 4.2 | 1.42 | .310 | 6.06 | 148 | 5.64 | 138 | 11.10 | -12.6 |
| Total | 200 | 68 | 67 | .504 | 188 | 4.28 | 922 | 5 | 3 | 1 | 1073.2 | 1,106 | 511 | 550 | 162 | 221 | 32 | 5 | 14 | 4,501 | 14 | 7.73 | 1.85 | 4.17 | 1.36 | 20.5 | 4.9 | 1.24 | .298 | 4.61 | 103 | 4.13 | 97 | 9.27 | 14 |
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