Marco Gonzales played 10 seasons for the Mariners, Cardinals and Pirates. He had 66 wins, 50 losses, an ERA of 4.16 and 688 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 |  | M. Gonzales | 2014 |  STL | 10 | 4 | 2 | .667 | 5 | 4.15 | 31 | 0 | 0 | 0 | 34.2 | 32 | 16 | 16 | 4 | 21 | 1 | 0 | 1 | 156 | 0 | 8.05 | 5.45 | 1.48 | 1.04 | 19.9 | 13.5 | 1.53 | .283 | 4.15 | 116 | 4.74 | 130 | 8.31 | -4.3 |
| 2 | | M. Gonzales | 2015 | STL | 1 | 0 | 0 | 1 | 13.50 | 1 | 0 | 0 | 0 | 2.2 | 7 | 4 | 4 | 1 | 1 | 0 | 0 | 0 | 16 | 0 | 3.38 | 3.38 | 1.00 | 3.38 | 6.3 | 6.3 | 3.00 | .462 | 13.50 | 356 | 8.38 | 218 | 23.63 | -1.4 | |
| 3 | | M. Gonzales | 2017 | TOT | 11 | 1 | 1 | .500 | 8 | 6.08 | 32 | 0 | 0 | 0 | 40.0 | 59 | 27 | 27 | 8 | 11 | 1 | 1 | 0 | 185 | 2 | 7.20 | 2.47 | 2.91 | 1.80 | 17.3 | 5.9 | 1.75 | .383 | 6.08 | 145 | 5.05 | 118 | 13.27 | -3.5 |
| 4 | | M. Gonzales | 2018 |  SEA | 29 | 13 | 9 | .591 | 29 | 4.00 | 145 | 1 | 0 | 0 | 166.2 | 172 | 74 | 76 | 17 | 32 | 6 | 0 | 0 | 686 | 2 | 7.83 | 1.73 | 4.53 | 0.92 | 21.1 | 4.7 | 1.22 | .319 | 4.10 | 98 | 3.43 | 82 | 9.29 | 14.2 |
| 5 | | M. Gonzales | 2019 | SEA | 34 | 16 | 13 | .552 | 34 | 3.99 | 147 | 0 | 0 | 0 | 203.0 | 210 | 90 | 106 | 23 | 56 | 6 | 0 | 1 | 866 | 2 | 6.52 | 2.48 | 2.63 | 1.02 | 17.0 | 6.5 | 1.31 | .295 | 4.70 | 90 | 4.14 | 93 | 9.31 | 7.4 |
| 6 | | M. Gonzales | 2020 | SEA | 11 | 7 | 2 | .778 | 11 | 3.10 | 64 | 1 | 0 | 0 | 69.2 | 59 | 24 | 27 | 8 | 7 | 4 | 0 | 0 | 277 | 0 | 8.27 | 0.90 | 9.14 | 1.03 | 23.1 | 2.5 | 0.95 | .263 | 3.49 | 74 | 3.31 | 77 | 7.62 | 7.9 |
| 7 | | M. Gonzales | 2021 | SEA | 25 | 10 | 6 | .625 | 25 | 3.96 | 108 | 1 | 0 | 0 | 143.1 | 125 | 63 | 64 | 29 | 42 | 5 | 0 | 3 | 585 | 1 | 6.78 | 2.64 | 2.57 | 1.82 | 18.5 | 7.2 | 1.17 | .239 | 4.02 | 95 | 5.27 | 127 | 7.85 | -18.6 |
| 8 | | M. Gonzales | 2022 | SEA | 32 | 10 | 15 | .400 | 32 | 4.13 | 103 | 0 | 0 | 0 | 183.0 | 194 | 84 | 97 | 30 | 50 | 7 | 0 | 1 | 783 | 1 | 5.07 | 2.46 | 2.06 | 1.48 | 13.2 | 6.4 | 1.33 | .277 | 4.77 | 111 | 5.05 | 132 | 9.54 | -25.9 |
| 9 | | M. Gonzales | 2023 | SEA | 10 | 4 | 1 | .800 | 10 | 5.22 | 34 | 0 | 0 | 0 | 50.0 | 55 | 29 | 32 | 5 | 18 | 0 | 0 | 0 | 215 | 0 | 6.12 | 3.24 | 1.89 | 0.90 | 15.8 | 8.4 | 1.46 | .316 | 5.76 | 130 | 4.27 | 104 | 9.90 | -1 |
| 10 | | M. Gonzales | 2024 |  PIT | 7 | 1 | 1 | .500 | 7 | 4.54 | 23 | 0 | 0 | 0 | 33.2 | 43 | 17 | 17 | 5 | 11 | 0 | 0 | 0 | 151 | 0 | 6.15 | 2.94 | 2.09 | 1.34 | 15.2 | 7.3 | 1.60 | .339 | 4.54 | 108 | 4.70 | 116 | 11.50 | -2.4 |
| Total | 170 | 66 | 50 | .569 | 162 | 4.16 | 688 | 3 | 0 | 0 | 926.2 | 956 | 428 | 466 | 130 | 249 | 30 | 1 | 6 | 3,920 | 8 | 6.68 | 2.42 | 2.76 | 1.26 | 17.6 | 6.4 | 1.30 | .293 | 4.53 | 102 | 4.41 | 107 | 9.28 | -27.6 |
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