Justin Masterson was 4-2 with an ERA of 5.61 and 49 strikeouts in 18 appearances in his last season.
Justin Masterson was 4-2 with an ERA of 5.61 and 49 strikeouts in 18 appearances in his last season.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Justin Masterson | 2015 |  BOS | 18 | 4 | 2 | .667 | 9 | 5.61 | 49 | 0 | 0 | 0 | 59.1 | 68 | 37 | 38 | 7 | 27 | 10 | 4 | 0 | 273 | 7 | 7.43 | 4.10 | 1.81 | 1.06 | 17.9 | 9.9 | 1.60 | .339 | 5.76 | 135 | 4.88 | 123 | 10.31 | -6.3 |