RunsLeft › Pitchers › Jack Flaherty
Starting Pitcher · Detroit Tigers

Jack Flaherty

RHP · Throws Right · Age 30Starter
ERA
4.60
FIP
–
IP
76.1
W-L
2-8
WHIP
1.45
K%
26.5
BB%
10.7
GB%
–
K/9
10.8
HR/9
0.9
Drafted by the St. Louis Cardinals in 2014 (round 1), he was signed by the Detroit Tigers in free agency in February 2025. He made his MLB debut on September 1, 2017.Facts: MLB StatsAPI (people · transactions)
No scheduled start today. The model projection and lineup matchup appear on start days.

Four-Seam Fastball

FF · lead pitch

47% of pitches · .343 xwOBA allowed · 792 BIP · where it goes, what it costs

Pitcher Locations
where he throws it · catcher’s view
2%2%2%1%0%5%5%7%4%1%7%12%13%13%6%1%2%2%3%2%1%1%2%2%3%
Rare 0% · Common 10% · Very common 20%+
xwOBA Allowed
damage done by zone · all batters
.393.184.131.198.733.488.390.280.394.540.428.290.460.278.358.001.231.241.104.330.691.663.443.457.691
Cold .200 · Avg .310 · Hot .500+
Expected Damage
locations × damage zones
.006.004.003.002.001.023.020.019.015.005.030.036.062.036.023.000.004.006.003.007.003.006.011.010.020
Low risk · Average · High-risk zone
Four-Seam Fastball (47% usage) has allowed .343 xwOBA over 792 balls in play — his most-used pitch.

Arsenal

usage × whiff, ranked

6 pitch types · 7,108-pitch sample · 2026/2025/2024 blend, weighted 4/3/1

Four-Seam Fastball FF
47% usage · 16% whiff · .343 xwOBA · 92.8 mph
Slider SL
25% usage · 30% whiff · .307 xwOBA · 85.1 mph
Knuckle Curve KC
22% usage · 39% whiff · .249 xwOBA · 78.2 mph
Changeup CH
3% usage · 29% whiff · .282 xwOBA · 85.6 mph
Sinker SI
3% usage · 23% whiff · .357 xwOBA · 90.9 mph
Unknown UN
1% usage · 31% whiff · .098 xwOBA
Whiff% Trend
last 8 outings · by pitch · min 5 swings per point
0102030405060705/175/225/286/26/76/126/287/4
Four-Seam FastballSliderKnuckle Curve
Hand Splits
K% + xwOBA allowed by batter side · 2026/2025/2024 blend, weighted 4/3/1
SplitK%xwOBASample
vs. LHB24.6 .327 893
vs. RHB30.5 .294 763
Live · client-hydrated

Market lines

current pick’em lines by book · updates through the day

Live lines load in your browser.
Live · client-hydrated

DFS picks

today’s picks for this pitcher, probability-sorted · graded nightly

Today’s picks load in your browser.