Jack Flaherty is 68-70 with an ERA of 3.92 and 1,290 strikeouts in 222 appearances 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 |  | J. Flaherty | 2017 | 6 | 0 | 2 | .000 | 5 | 6.33 | 20 | 0 | 0 | 0 | 21.1 | 23 | 15 | 15 | 4 | 10 | 1 | 0 | 1 | 94 | 0 | 8.44 | 4.22 | 2.00 | 1.69 | 21.3 | 10.6 | 1.55 | .322 | 6.33 | 152 | 5.26 | 124 | 9.70 | -2.5 | |
| 2 | | J. Flaherty | 2018 | 28 | 8 | 9 | .471 | 28 | 3.34 | 182 | 0 | 0 | 0 | 151.0 | 108 | 56 | 59 | 20 | 59 | 11 | 0 | 3 | 615 | 6 | 10.85 | 3.52 | 3.08 | 1.19 | 29.6 | 9.6 | 1.11 | .257 | 3.52 | 86 | 3.86 | 97 | 6.44 | 2 | |
| 3 | | J. Flaherty | 2019 | 36 | 12 | 10 | .545 | 36 | 2.87 | 253 | 0 | 0 | 0 | 213.1 | 152 | 68 | 70 | 27 | 59 | 8 | 0 | 2 | 844 | 9 | 10.67 | 2.49 | 4.29 | 1.14 | 30.0 | 7.0 | 0.99 | .252 | 2.95 | 61 | 3.18 | 74 | 6.41 | 18.6 | |
| 4 | | J. Flaherty | 2020 | 10 | 4 | 4 | .500 | 10 | 4.47 | 57 | 0 | 0 | 0 | 46.1 | 39 | 23 | 23 | 6 | 18 | 3 | 0 | 0 | 196 | 1 | 11.07 | 3.50 | 3.17 | 1.17 | 29.1 | 9.2 | 1.23 | .295 | 4.47 | 100 | 3.57 | 83 | 7.58 | 0.9 | |
| 5 | | J. Flaherty | 2021 | 17 | 9 | 2 | .818 | 15 | 3.22 | 85 | 0 | 0 | 0 | 78.1 | 57 | 28 | 35 | 12 | 26 | 6 | 0 | 1 | 322 | 4 | 9.77 | 2.99 | 3.27 | 1.38 | 26.4 | 8.1 | 1.06 | .233 | 4.02 | 79 | 4.21 | 101 | 6.55 | -0.5 | |
| 6 | | J. Flaherty | 2022 | 9 | 2 | 1 | .667 | 8 | 4.25 | 33 | 0 | 0 | 0 | 36.0 | 36 | 17 | 18 | 4 | 22 | 5 | 0 | 0 | 167 | 0 | 8.25 | 5.50 | 1.50 | 1.00 | 19.8 | 13.2 | 1.61 | .311 | 4.50 | 108 | 4.97 | 127 | 9.00 | -4.4 | |
| 7 |  | J. Flaherty | 2023 | TOT | 30 | 8 | 9 | .471 | 27 | 4.98 | 149 | 0 | 0 | 0 | 146.1 | 164 | 81 | 84 | 17 | 69 | 12 | 0 | 2 | 660 | 8 | 9.16 | 4.24 | 2.16 | 1.05 | 22.6 | 10.5 | 1.59 | .356 | 5.17 | 116 | 4.29 | 101 | 10.09 | -1.5 |
| 8 |  | J. Flaherty | 2024 | TOT | 33 | 14 | 9 | .609 | 33 | 3.67 | 209 | 0 | 0 | 0 | 184.0 | 159 | 75 | 79 | 30 | 47 | 5 | 0 | 0 | 747 | 6 | 10.22 | 2.30 | 4.45 | 1.47 | 28.0 | 6.3 | 1.12 | .283 | 3.86 | 69 | 3.05 | 74 | 7.78 | 11.8 |
| 9 |  | J. Flaherty | 2025 | 34 | 8 | 16 | .333 | 33 | 4.58 | 200 | 0 | 0 | 0 | 171.0 | 154 | 87 | 90 | 24 | 67 | 5 | 0 | 1 | 722 | 4 | 10.53 | 3.53 | 2.99 | 1.26 | 27.7 | 9.3 | 1.29 | .305 | 4.74 | 107 | 3.62 | 87 | 8.11 | 5.9 | |
| 10 | | J. Flaherty | 2026 | 19 | 3 | 8 | .273 | 19 | 4.59 | 102 | 0 | 0 | 0 | 86.1 | 80 | 44 | 52 | 11 | 42 | 7 | 0 | 1 | 389 | 5 | 10.63 | 4.38 | 2.43 | 1.15 | 26.2 | 10.8 | 1.41 | .304 | 5.42 | 110 | 4.09 | 99 | 8.34 | 0.6 | |
| Total | 222 | 68 | 70 | .493 | 214 | 3.92 | 1,290 | 0 | 0 | 0 | 1134.0 | 972 | 494 | 525 | 155 | 419 | 63 | 0 | 11 | 4,756 | 43 | 10.24 | 3.33 | 3.08 | 1.23 | 27.1 | 8.8 | 1.23 | .289 | 4.17 | 89 | 3.71 | 89 | 7.71 | 30.8 |
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| NL East | W | L | PCT | GB |
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67 | 45 | .598 | ||
59 | 53 | .527 | 8.0 | |
58 | 55 | .513 | 9.5 | |
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| NL Central | W | L | PCT | GB |
69 | 42 | .622 | ||
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56 | 57 | .496 | 14.0 | |
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69 | 43 | .616 | ||
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58 | 54 | .518 | 11.0 | |
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Nationals
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|---|---|---|---|---|
65 | 46 | .586 | ||
63 | 49 | .563 | 2.5 | |
60 | 51 | .541 | 5.0 | |
54 | 58 | .482 | 11.5 | |
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| AL Central | W | L | PCT | GB |
59 | 52 | .532 | ||
57 | 56 | .504 | 3.0 | |
56 | 57 | .496 | 4.0 | |
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