
70% K O 3.562.5% BBA O 2.550% HA O 4.5
Season
All Jack Flaherty propsProps — 202610 games with closing lines
Pitcher Ks
10g70%Over: 7-3
4vs O 3.5-320
vs
Blue Jays5/17
✓✗✓✓✓✗✓✓✓✗
H: 100%(5)A: 40%(5)
Seasonality
Inside Edge
Star RatingsAvg Rating
2.8★★★★★
5-Star Games
0(0%)
Total Matchups
11Distribution
5
4
3
2
1
Prop Performance by Star Rating
How Flaherty's prop overs perform at the primary line based on InsideEdge pitcher star rating
| Stars | Pitcher KsO 3.5 | Earned RunsO 2.5 | Hits AllowedO 4.5 | Walks AllowedO 2.5 | Outs RecordedO 15.5 |
|---|---|---|---|---|---|
| ★★★★★ | 0%(0-1) | 0%(0-1) | 0%(0-1) | — | 0%(0-1) |
| ★★★★★ | 71.4%(5-2) | 66.7%(4-2) | 71.4%(5-2) | 71.4%(5-2) | 33.3%(2-4) |
| ★★★★★ | 100%(1-0) | 0%(0-1) | 0%(0-1) | 0%(0-1) | 0%(0-1) |
| ★★★★★ | 100%(1-0) | 0%(0-1) | 0%(0-1) | — | — |
Recent Scouting Notes
★★★★★vs Chris Bassitt
5/22Current Orioles hitters have struck out 26.1% of the time against pitchers similar to Flaherty over the last two years (League Avg: 20%), but other matchup data favors the Orioles.
★★★★★vs Kevin Gausman
5/17Current Blue Jays hitters are batting .234 in their last 1,733 AB's against right-handers who rely heavily on the slider like like Flaherty, but other matchup data favors the Blue Jays.
★★★★★vs Freddy Peralta
5/12Right-handed starters have an ERA of 2.80 against the Mets in the past 30 days, but other matchup data favors the Mets.
Game Log
Bet
$
28-54 Over10g · 82 props
| Date ↓ | Opp | Line | Actual | Result | Odds |
|---|---|---|---|---|---|
| 5/17 | vs | O 4.5 | 4 | L | -136 |
| 5/17 | vs | O 2.5 | 4 | W | -1000 |
| 5/17 | vs | O 8.5 | 4 | L | +1240 |
| 5/17 | vs | O 5.5 | 4 | L | +172 |
| 5/17 | vs | O 3.5 | 4 | W | -320 |
| 5/17 | vs | O 6.5 | 4 | L | +360 |
| 5/17 | vs | O 1.5 | 4 | W | -3600 |
| 5/17 | vs | O 7.5 | 4 | L | +700 |
| 5/12 | @ | O 3.5 | 2 | L | -570 |
| 5/12 | @ | O 4.5 | 2 | L | -236 |
| 5/12 | @ | O 6.5 | 2 | L | +174 |
| 5/12 | @ | O 7.5 | 2 | L | +356 |
| 5/12 | @ | O 8.5 | 2 | L | +700 |
| 5/12 | @ | O 5.5 | 2 | L | -115 |
| 5/12 | @ | O 2.5 | 2 | L | -1820 |
| 5/12 | @ | O 9.5 | 2 | L | +1300 |
| 5/6 | vs | O 5.5 | 10 | W | +110 |
| 5/6 | vs | O 2.5 | 10 | W | -1860 |
| 5/6 | vs | O 3.5 | 10 | W | -500 |
| 5/6 | vs | O 4.5 | 10 | W | -210 |
| 5/6 | vs | O 6.5 | 10 | W | +230 |
| 5/6 | vs | O 7.5 | 10 | W | +490 |
| 5/6 | vs | O 8.5 | 10 | W | +820 |
| 5/6 | vs | O 9.5 | 10 | W | +1540 |
| 5/1 | vs | O 5.5 | 4 | L | +122 |
| 5/1 | vs | O 2.5 | 4 | W | -1160 |
| 5/1 | vs | O 3.5 | 4 | W | -396 |
| 5/1 | vs | O 4.5 | 4 | L | -172 |
| 5/1 | vs | O 6.5 | 4 | L | +249 |
| 5/1 | vs | O 7.5 | 4 | L | +504 |
| 5/1 | vs | O 8.5 | 4 | L | +1000 |
| 5/1 | vs | O 9.5 | 4 | L | +1760 |
| 4/25 | @ | O 5.5 | 4 | L | -115 |
| 4/25 | @ | O 3.5 | 4 | W | -600 |
| 4/25 | @ | O 4.5 | 4 | L | -250 |
| 4/25 | @ | O 6.5 | 4 | L | +175 |
| 4/25 | @ | O 7.5 | 4 | L | +340 |
| 4/25 | @ | O 8.5 | 4 | L | +582 |
| 4/25 | @ | O 2.5 | 4 | W | -2400 |
| 4/25 | @ | O 9.5 | 4 | L | +1120 |
| 4/20 | @ | O 6.5 | 3 | L | +145 |
| 4/20 | @ | O 3.5 | 3 | L | -710 |
| 4/20 | @ | O 4.5 | 3 | L | -294 |
| 4/20 | @ | O 5.5 | 3 | L | -136 |
| 4/20 | @ | O 7.5 | 3 | L | +292 |
| 4/20 | @ | O 8.5 | 3 | L | +581 |
| 4/20 | @ | O 9.5 | 3 | L | +1080 |
| 4/20 | @ | O 10.5 | 3 | L | +1800 |
| 4/20 | @ | O 2.5 | 3 | W | -2500 |
| 4/15 | vs | O 5.5 | 7 | W | +130 |
Detroit Tigers Teammates
View allFrequently Asked Questions
How often does Jack Flaherty hit the over on pitcher ks 3.5?
Jack Flaherty hits the over on pitcher ks 3.5 70% of the time in 2026, going 7-3 with an average actual of 4.8.
Is Jack Flaherty over 3.5 pitcher ks a good bet?
Based on 10 games in 2026, betting $100 on Jack Flaherty over 3.5 pitcher ks at best closing odds has returned -$157 (-15.7% ROI). The hit rate is 70% with an average actual of 4.8.
What is Jack Flaherty's pitcher ks average this season?
Jack Flaherty averages 4.8 pitcher ks per game in 2026 across 10 games. The primary line is set at 3.5.

Inside Edge