Jack Flaherty

RHP

Team: Detroit TigersThrows: RHeight: 6'4"Weight: 225 lbDOB: Oct 15, 1995Born: Burbank, CA, USAActive

Compare

Games

4.48

ERA

15.4%

K-BB%

92.7 mph

FB Velo

28.3%

CSW%

Stuff+

-2 vs MLB 100

vL 92▼vR 104

DLoc+

105

+5 vs MLB 100

vL 104vR 107▲

Stockyard PLoc+

107

+7 vs MLB 100

2026 Stockyard PLoc+ -> 2027

Pitching+

-9 vs MLB 100

vL 97vR 101

Synergy

Pitch Arsenal

Click a pitch to collapse or expand details

4-Seam Fastball

49.2%|Pitching+103

PLoc+

91▼-> 2027

Velocity

92.7mph

Spin

2256rpm

CSW%

29.7%

iVB / iHB

16.1" / 5.8"

Stuff+

DLoc+

Pitching+

vs L

95▼

93▼

100

vs R

110▲

106▲

Grade drivers

League-average 4-Seam Fastball · 100 → 103.1

Break across arm slot

+10.7

Carry along arm slot

−5.0

Vertical approach angle

+4.0

Velocity

−2.4

Release height

−1.1

Seam-shifted wake: amount

−0.8

Everything else

−2.3

Slider

24.3%|Pitching+101

PLoc+

111▲-> 2027

Velocity

85mph

Spin

2439rpm

CSW%

29.8%

iVB / iHB

3.4" / -5.8"

Stuff+

DLoc+

Pitching+

vs L

88▼

100

vs R

107▲

101

Grade drivers

League-average Slider · 100 → 90.6

Velocity

−3.2

Horizontal geometry

−2.6

Break across arm slot

−1.7

Arm angle

+1.7

Seam-shifted wake: amount

−1.1

Vertical approach angle

+1.0

Everything else

−3.5

Curveball

19.4%|Pitching+103

PLoc+

114▲-> 2027

Velocity

78.1mph

Spin

2402rpm

CSW%

28%

iVB / iHB

-9.3" / -10.9"

Stuff+

DLoc+

Pitching+

vs L

100

104

102

vs R

106▲

103

Grade drivers

League-average Curveball · 100 → 99.7

Arm angle

+4.1

Carry along arm slot

−2.3

Velocity

−1.2

Release height

+1.1

Vertical approach angle

+1.1

Break across arm slot

+0.9

Everything else

−4.0

Sinker

4.2%|Pitching+82▼

PLoc+

95▼-> 2027

Velocity

91mph

Spin

2066rpm

CSW%

20%

iVB / iHB

9.5" / 13.6"

Stuff+

DLoc+

Pitching+

vs L

90▼

79▼

83▼

vs R

95▼

68▼

85▼

Grade drivers

League-average Sinker · 100 → 85.5

Carry along arm slot

−5.8

Velocity

−4.0

Horizontal geometry

−3.4

Seam-shifted wake: amount

+3.2

Break across arm slot

−2.4

Seam-shifted wake: direction

+0.8

Everything else

−2.9

Changeup

2.8%|Pitching+81▼

PLoc+

86▼-> 2027

Velocity

85.7mph

Spin

1827rpm

CSW%

8.5%

iVB / iHB

8.3" / 14.5"

Stuff+

DLoc+

Pitching+

vs L

77▼

63▼

80▼

vs R

84▼

61▼

84▼

Grade drivers

League-average Changeup · 100 → 78.4

Vertical approach angle

−7.2

Horizontal geometry

−5.4

Break across arm slot

−3.5

Seam-shifted wake: amount

+1.9

Velocity

−0.9

Vertical break gap vs fastball

−0.8

Everything else

−5.7

xRV (Expected Run Value): Expected runs per 100 pitches using xwOBA on batted balls (BABIP-neutral). Negative = good (runs prevented), Positive = bad (runs allowed).

Similar Pitchers

Last 30 games in 2026

Jack Flaherty

RHP

Team: Detroit TigersThrows: RHeight: 6'4"Weight: 225 lbDOB: Oct 15, 1995Born: Burbank, CA, USAActive

Compare

Games

4.48

ERA

15.4%

K-BB%

92.7 mph

FB Velo

28.3%

CSW%

Stuff+

-2 vs MLB 100

vL 92▼vR 104

DLoc+

105

+5 vs MLB 100

vL 104vR 107▲

Stockyard PLoc+

107

+7 vs MLB 100

2026 Stockyard PLoc+ -> 2027

Pitching+

-9 vs MLB 100

vL 97vR 101

Synergy

Pitch Arsenal

Click a pitch to collapse or expand details

4-Seam Fastball

49.2%|Pitching+103

PLoc+

91▼-> 2027

Velocity

92.7mph

Spin

2256rpm

CSW%

29.7%

iVB / iHB

16.1" / 5.8"

Stuff+

DLoc+

Pitching+

vs L

95▼

93▼

100

vs R

110▲

106▲

Grade drivers

League-average 4-Seam Fastball · 100 → 103.1

Break across arm slot

+10.7

Carry along arm slot

−5.0

Vertical approach angle

+4.0

Velocity

−2.4

Release height

−1.1

Seam-shifted wake: amount

−0.8

Everything else

−2.3

Slider

24.3%|Pitching+101

PLoc+

111▲-> 2027

Velocity

85mph

Spin

2439rpm

CSW%

29.8%

iVB / iHB

3.4" / -5.8"

Stuff+

DLoc+

Pitching+

vs L

88▼

100

vs R

107▲

101

Grade drivers

League-average Slider · 100 → 90.6

Velocity

−3.2

Horizontal geometry

−2.6

Break across arm slot

−1.7

Arm angle

+1.7

Seam-shifted wake: amount

−1.1

Vertical approach angle

+1.0

Everything else

−3.5

Curveball

19.4%|Pitching+103

PLoc+

114▲-> 2027

Velocity

78.1mph

Spin

2402rpm

CSW%

28%

iVB / iHB

-9.3" / -10.9"

Stuff+

DLoc+

Pitching+

vs L

100

104

102

vs R

106▲

103

Grade drivers

League-average Curveball · 100 → 99.7

Arm angle

+4.1

Carry along arm slot

−2.3

Velocity

−1.2

Release height

+1.1

Vertical approach angle

+1.1

Break across arm slot

+0.9

Everything else

−4.0

Sinker

4.2%|Pitching+82▼

PLoc+

95▼-> 2027

Velocity

91mph

Spin

2066rpm

CSW%

20%

iVB / iHB

9.5" / 13.6"

Stuff+

DLoc+

Pitching+

vs L

90▼

79▼

83▼

vs R

95▼

68▼

85▼

Grade drivers

League-average Sinker · 100 → 85.5

Carry along arm slot

−5.8

Velocity

−4.0

Horizontal geometry

−3.4

Seam-shifted wake: amount

+3.2

Break across arm slot

−2.4

Seam-shifted wake: direction

+0.8

Everything else

−2.9

Changeup

2.8%|Pitching+81▼

PLoc+

86▼-> 2027

Velocity

85.7mph

Spin

1827rpm

CSW%

8.5%

iVB / iHB

8.3" / 14.5"

Stuff+

DLoc+

Pitching+

vs L

77▼

63▼

80▼

vs R

84▼

61▼

84▼

Grade drivers

League-average Changeup · 100 → 78.4

Vertical approach angle

−7.2

Horizontal geometry

−5.4

Break across arm slot

−3.5

Seam-shifted wake: amount

+1.9

Velocity

−0.9

Vertical break gap vs fastball

−0.8

Everything else

−5.7

xRV (Expected Run Value): Expected runs per 100 pitches using xwOBA on batted balls (BABIP-neutral). Negative = good (runs prevented), Positive = bad (runs allowed).

Similar Pitchers

Last 30 games in 2026

Jack Flaherty

Pitch Arsenal

4-Seam Fastball

Slider

Curveball

Sinker

Changeup

Similar Pitchers

Game Log

Jack Flaherty

Pitch Arsenal

4-Seam Fastball

Slider

Curveball

Sinker

Changeup

Similar Pitchers

Game Log