Zach Eflin has an 11-7 record with an ERA of 4.41 and 100 strikeouts in 24 appearances for the Orioles in the regular-season and playoffs 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 |  | Z. Eflin | 2024 |  BAL | 10 | 5 | 2 | .714 | 10 | 2.58 | 50 | 0 | 0 | 0 | 59.1 | 55 | 17 | 17 | 8 | 12 | 1 | 0 | 0 | 242 | 1 | 7.58 | 1.82 | 4.17 | 1.21 | 20.7 | 5.0 | 1.13 | .275 | 2.58 | 62 | 3.67 | 92 | 8.34 | 0.4 |
| 2 | | 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 | 149 | 5.61 | 138 | 11.10 | -12.5 |
| Total | 24 | 11 | 7 | .611 | 24 | 4.41 | 100 | 0 | 0 | 0 | 130.2 | 143 | 64 | 65 | 26 | 25 | 3 | 0 | 0 | 551 | 2 | 6.89 | 1.72 | 4.00 | 1.79 | 18.1 | 4.5 | 1.29 | .295 | 4.48 | 109 | 4.73 | 117 | 9.85 | -12.1 |
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