Jack Flaherty
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A player page shows one box score, because a hitter and a pitcher share almost no column — which half you get follows the one he appears in. Every rate is built from summed counts, so a batting average is hits over at bats across whatever window you picked rather than an average of nightly averages. Pitchers rank against starters or relievers, which is the split the sport itself draws. A dash means no number for that cell, or a zero in a roster column that counts.
Jack Flaherty
Pitcher2025 · Regular Season
One to noteIn strikeouts per 9, Jack Flaherty is 9th of 125 starting pitchers, at 10.5.
94th beats 94% of the Starting Pitchers; 1 is the best of however many the row says. Higher is always better, whichever way the stat runs. Red to green by where the placing sits. A stat with no better end is left unpainted.
Cardsall 4 shown▶
Playing TimeDefensevs Starting Pitchers▶
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StartingDefensevs Starting Pitchers▶
Game log31 games
| Date | Opp | IP | W | L | SV | H | HR | K | BB | ERA | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 24, 2025 | @ CLE | 4.1 | 0 | 1 | 0 | 5 | 1 | 6 | 0 | 6.23 | 1.15 |
| Sep 17, 2025 | CLE | 5 | 0 | 1 | 0 | 3 | 0 | 4 | 4 | 1.80 | 1.40 |
| Sep 10, 2025 | @ NYY | 5 | 1 | 0 | 0 | 2 | 0 | 7 | 1 | 0.00 | 0.60 |
| Sep 5, 2025 |  CWS | 4.1 | 0 | 0 | 0 | 6 | 0 | 2 | 2 | 8.31 | 1.85 |
| Aug 30, 2025 | @ KC | 5.2 | 0 | 0 | 0 | 4 | 1 | 4 | 2 | 1.59 | 1.06 |
| Aug 24, 2025 | KC | 5 | 0 | 1 | 0 | 10 | 1 | 3 | 0 | 14.40 | 2.00 |
| Aug 18, 2025 |  HOU | 7 | 1 | 0 | 0 | 3 | 0 | 9 | 1 | 0.00 | 0.57 |
| Aug 12, 2025 | @CWS | 4.1 | 0 | 1 | 0 | 8 | 0 | 6 | 1 | 10.38 | 2.08 |
| Aug 6, 2025 |  MIN | 4.2 | 0 | 1 | 0 | 8 | 1 | 3 | 1 | 9.64 | 1.93 |
| Aug 1, 2025 | @ PHI | 6 | 0 | 0 | 0 | 2 | 0 | 7 | 3 | 1.50 | 0.83 |
| July 27, 2025 |  TOR | 6 | 1 | 0 | 0 | 5 | 0 | 7 | 1 | 0.00 | 1.00 |
| July 21, 2025 | @ PIT | 3 | 0 | 1 | 0 | 6 | 0 | 6 | 3 | 9.00 | 3.00 |
| July 13, 2025 |  SEA | 5 | 0 | 0 | 0 | 4 | 2 | 7 | 2 | 3.60 | 1.20 |
| July 8, 2025 |  TB | 6.1 | 0 | 0 | 0 | 7 | 1 | 8 | 1 | 2.84 | 1.26 |
| July 2, 2025 | @ WSH | 5 | 0 | 0 | 0 | 5 | 0 | 9 | 2 | 5.40 | 1.40 |
| June 25, 2025 |  ATH | 6 | 0 | 1 | 0 | 5 | 1 | 7 | 4 | 4.50 | 1.50 |
| June 20, 2025 | @TB | 2.1 | 0 | 1 | 0 | 6 | 1 | 3 | 3 | 30.86 | 3.86 |
| June 14, 2025 |  CIN | 4.2 | 0 | 1 | 0 | 5 | 3 | 5 | 5 | 13.50 | 2.14 |
| June 8, 2025 |  CHC | 6 | 1 | 0 | 0 | 2 | 0 | 9 | 3 | 0.00 | 0.83 |
| June 2, 2025 | @CWS | 6 | 1 | 0 | 0 | 4 | 0 | 4 | 1 | 1.50 | 0.83 |
| May 27, 2025 |  SF | 6 | 1 | 0 | 0 | 2 | 0 | 8 | 1 | 0.00 | 0.50 |
| May 22, 2025 | CLE | 6.2 | 0 | 1 | 0 | 3 | 1 | 8 | 3 | 4.05 | 0.90 |
| May 16, 2025 | @TOR | 5.2 | 1 | 0 | 0 | 5 | 1 | 6 | 1 | 3.18 | 1.06 |
| May 10, 2025 |  TEX | 3 | 0 | 1 | 0 | 4 | 4 | 4 | 2 | 15.00 | 2.00 |
| May 3, 2025 | @ LAA | 5.2 | 0 | 1 | 0 | 8 | 0 | 8 | 1 | 6.35 | 1.59 |
| April 28, 2025 | @HOU | 5 | 0 | 1 | 0 | 6 | 2 | 4 | 2 | 7.20 | 1.60 |
| April 22, 2025 |  SD | 6 | 0 | 1 | 0 | 5 | 1 | 9 | 0 | 3.00 | 0.83 |
| April 15, 2025 | @ MIL | 4.2 | 0 | 1 | 0 | 5 | 1 | 4 | 2 | 5.79 | 1.50 |
| April 9, 2025 | NYY | 5.1 | 0 | 0 | 0 | 3 | 0 | 9 | 3 | 0.00 | 1.13 |
| April 4, 2025 | CWS | 5.2 | 1 | 0 | 0 | 3 | 0 | 7 | 2 | 1.59 | 0.88 |
| March 28, 2025 | @ LAD | 5.2 | 0 | 0 | 0 | 3 | 1 | 5 | 2 | 3.18 | 0.88 |
| Season | G | GS | IP | W | L | SV | ERA | WHIP | H | HR | K | BB |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 20 | 19 | 75 | 3 | 8 | 0 | 5.28 | 1.64 | 81 | 11 | 103 | 42 |
| 2025 | 31 | 31 | 161 | 8 | 15 | 0 | 4.64 | 1.28 | 147 | 23 | 188 | 59 |
| 2024 | 28 | 28 | 162 | 13 | 7 | 0 | 3.17 | 1.07 | 135 | 24 | 194 | 38 |
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