Roansy Contreras played 4 seasons for the Pirates and Angels. He had 10 wins, 16 losses, an ERA of 4.72 and 201 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 |  | R. Contreras | 2021 |  PIT | 1 | 0 | 0 | 1 | 0.00 | 4 | 0 | 0 | 0 | 3.0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 12 | 0 | 12.00 | 3.00 | 4.00 | 0.00 | 33.3 | 8.3 | 1.33 | .429 | 0.00 | 0 | 1.50 | 35 | 9.00 | 0.9 | |
| 2 | | R. Contreras | 2022 | PIT | 21 | 5 | 5 | .500 | 18 | 3.79 | 86 | 0 | 0 | 0 | 95.0 | 82 | 40 | 45 | 13 | 39 | 2 | 1 | 1 | 408 | 11 | 8.15 | 3.69 | 2.21 | 1.23 | 21.1 | 9.6 | 1.27 | .257 | 4.26 | 93 | 4.37 | 110 | 7.77 | -4 |
| 3 | | R. Contreras | 2023 | PIT | 19 | 3 | 7 | .300 | 11 | 6.59 | 55 | 0 | 0 | 1 | 68.1 | 75 | 50 | 50 | 11 | 32 | 1 | 1 | 1 | 302 | 3 | 7.24 | 4.21 | 1.72 | 1.45 | 18.2 | 10.6 | 1.57 | .315 | 6.59 | 147 | 5.18 | 118 | 9.88 | -6.1 |
| 4 | | R. Contreras | 2024 | TOT | 49 | 2 | 4 | .333 | 3 | 4.35 | 56 | 0 | 0 | 2 | 68.1 | 63 | 33 | 36 | 11 | 31 | 4 | 20 | 6 | 298 | 3 | 7.38 | 4.08 | 1.81 | 1.45 | 18.8 | 10.4 | 1.38 | .265 | 4.74 | 105 | 5.15 | 123 | 8.30 | -7.2 |
| Total | 90 | 10 | 16 | .385 | 33 | 4.72 | 201 | 0 | 0 | 3 | 234.2 | 223 | 123 | 131 | 35 | 103 | 7 | 22 | 8 | 1,020 | 17 | 7.71 | 3.95 | 1.95 | 1.34 | 19.7 | 10.1 | 1.39 | .279 | 5.02 | 111 | 4.80 | 115 | 8.55 | -16.5 |
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