Jack Flaherty has played 10 seasons for 4 teams, including the Cardinals and Tigers. He has 66 wins, 64 losses, an ERA of 3.86 and 1,232 strikeouts. He has won 1 World Series.
| 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 | 33 | 11 | 8 | .579 | 33 | 2.75 | 231 | 0 | 0 | 0 | 196.1 | 135 | 60 | 62 | 25 | 55 | 7 | 0 | 2 | 772 | 6 | 10.59 | 2.52 | 4.20 | 1.15 | 29.9 | 7.1 | 0.97 | .242 | 2.84 | 66 | 3.45 | 80 | 6.19 | 18.6 | |
| 4 | | J. Flaherty | 2020 | 9 | 4 | 3 | .571 | 9 | 4.91 | 49 | 0 | 0 | 0 | 40.1 | 33 | 22 | 22 | 6 | 16 | 3 | 0 | 0 | 170 | 1 | 10.93 | 3.57 | 3.06 | 1.34 | 28.8 | 9.4 | 1.21 | .281 | 4.91 | 115 | 4.10 | 95 | 7.36 | 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 | 29 | 8 | 9 | .471 | 27 | 4.99 | 148 | 0 | 0 | 0 | 144.1 | 162 | 80 | 83 | 17 | 66 | 12 | 0 | 2 | 650 | 8 | 9.23 | 4.12 | 2.24 | 1.06 | 22.8 | 10.2 | 1.58 | .356 | 5.18 | 117 | 4.35 | 102 | 10.10 | -1.5 |
| 8 | | J. Flaherty | 2024 | TOT | 28 | 13 | 7 | .650 | 28 | 3.17 | 194 | 0 | 0 | 0 | 162.0 | 135 | 57 | 61 | 24 | 38 | 4 | 0 | 0 | 649 | 6 | 10.78 | 2.11 | 5.11 | 1.33 | 29.9 | 5.9 | 1.07 | .285 | 3.39 | 78 | 3.47 | 84 | 7.50 | 11.8 |
| 9 |  | J. Flaherty | 2025 | 31 | 8 | 15 | .348 | 31 | 4.64 | 188 | 0 | 0 | 0 | 161.0 | 147 | 83 | 85 | 23 | 59 | 5 | 0 | 1 | 681 | 4 | 10.51 | 3.30 | 3.19 | 1.29 | 27.6 | 8.7 | 1.28 | .305 | 4.75 | 112 | 3.84 | 91 | 8.22 | 6.6 | |
| 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 | 4.08 | 98 | 8.34 | 0.8 | |
| Total | 209 | 66 | 64 | .508 | 203 | 3.86 | 1,232 | 0 | 0 | 0 | 1077.0 | 916 | 462 | 492 | 146 | 393 | 61 | 0 | 11 | 4,509 | 40 | 10.30 | 3.28 | 3.13 | 1.22 | 27.3 | 8.7 | 1.22 | .288 | 4.11 | 94 | 3.91 | 94 | 7.65 | 31.8 |
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| NL East | W | L | PCT | GB |
|---|---|---|---|---|
 Braves - y | 93 | 66 | .585 | |
87 | 72 | .547 | 6.0 | |
78 | 81 | .491 | 15.0 | |
75 | 84 | .472 | 18.0 | |
73 | 86 | .459 | 20.0 | |
| NL Central | W | L | PCT | GB |
 Brewers - y | 100 | 59 | .629 | |
 Cubs - w | 88 | 71 | .553 | 12.0 |
81 | 78 | .509 | 19.0 | |
77 | 82 | .484 | 23.0 | |
74 | 85 | .465 | 26.0 | |
| NL West | W | L | PCT | GB |
 Dodgers - y | 97 | 61 | .614 | |
88 | 70 | .557 | 9.0 | |
85 | 74 | .535 | 12.5 | |
65 | 94 | .409 | 32.5 | |
57 | 102 | .358 | 40.5 |
Phillies
Marlins
Nationals
Mets
Padres
Diamondbacks
Giants
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
 Rays - y | 96 | 63 | .604 | |
 Yankees - w | 92 | 67 | .579 | 4.0 |
 Red Sox - w | 85 | 74 | .535 | 11.0 |
78 | 81 | .491 | 18.0 | |
77 | 82 | .484 | 19.0 | |
| AL Central | W | L | PCT | GB |
 Guardians - x | 83 | 76 | .522 | |
 White Sox - x | 82 | 77 | .516 | 1.0 |
75 | 84 | .472 | 8.0 | |
74 | 85 | .465 | 9.0 | |
68 | 91 | .428 | 15.0 | |
| AL West | W | L | PCT | GB |
79 | 80 | .497 | ||
79 | 80 | .497 | ||
74 | 85 | .465 | 5.0 | |
63 | 96 | .396 | 16.0 | |
61 | 98 | .384 | 18.0 |
Orioles
Blue Jays
Twins
Royals
Astros
Rangers
Mariners
Athletics
Angels