Jack Flaherty — MLB Pitcher Props & Matchup
DET SP Throws R
Strikeout props, arsenal, platoon splits and recent starts for Jack Flaherty — build a parlay with Jack Flaherty on ParlayBuilder.
No strikeout prop posted for Jack Flaherty today — season form, arsenal and splits below.
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Jack Flaherty 2026 Season Stats
4.48 ERA · 1.39 WHIP · 103 K · 42 BB · 11 HR allowed (88.1 IP over 19 starts, 3–8)
Opponents hit .238/.332/.411 against him this season.
Pitch Arsenal
| Pitch | Usage | Velo | AB | Opp AVG | Opp SLG |
|---|---|---|---|---|---|
| 4-Seam | 49.6% | 92.8 | 165 | .212 | .382 |
| Slider | 23.8% | 85.1 | 88 | .295 | .477 |
| K-Curve | 19.7% | 78.1 | 57 | .228 | .421 |
| Sinker | 4.2% | 91.0 | 12 | .167 | .250 |
| Change | 2.8% | 85.6 | 4 | .000 | .000 |
Jack Flaherty leads with the 4-Seam (49.6% of his pitches, averaging 92.8 mph). Hitters manage just .212 against the 4-Seam, but .295 against the Slider.
Splits by Batter Hand
| Split | BF | IP | H | HR | BB | K | Opp AVG | WHIP | K/9 |
|---|---|---|---|---|---|---|---|---|---|
| vs RHB | 177 | 42.0 | 39 | 6 | 12 | 53 | .236 | 1.21 | 11.4 |
| vs LHB | 218 | 49.0 | 42 | 5 | 29 | 50 | .222 | 1.45 | 9.2 |
Jack Flaherty shows no meaningful platoon split — right-handed bats hit .236 against him, left-handed bats .222.
Recent Starts
| Date | Opp | IP | BF | H | HR | BB | K |
|---|---|---|---|---|---|---|---|
| Jul 20 | CHC | 4.0 | 18 | 4 | 2 | 2 | 4 |
| Jul 10 | PHI | 6.0 | 24 | 2 | 1 | 3 | 6 |
| Jul 4 | TEX | 5.2 | 21 | 3 | 0 | 0 | 5 |
| Jun 28 | HOU | 5.0 | 20 | 2 | 0 | 3 | 9 |
| Jun 12 | CLE | 3.0 | 13 | 3 | 0 | 1 | 1 |
| Jun 7 | SEA | 5.0 | 22 | 6 | 0 | 1 | 7 |
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