Tatsuya Imai

RHP

Team: Houston AstrosThrows: RHeight: 5'11"Weight: 176 lbDOB: May 9, 1998Born: Kanuma, JapanActive

Compare

Games

4.93

ERA

13.9%

K-BB%

94.8 mph

FB Velo

29.9%

CSW%

Stuff+

-13 vs MLB 100

vL 83▼vR 91▼

DLoc+

-4 vs MLB 100

vL 98vR 94▼

Stockyard PLoc+

101

+1 vs MLB 100

2026 Stockyard PLoc+ -> 2027

Pitching+

-24 vs MLB 100

vL 95▼vR 96

Synergy

106

Pitch Arsenal

Click a pitch to collapse or expand details

Slider

45.8%|Pitching+99

PLoc+

87▼-> 2027

Velocity

86.6mph

Spin

2270rpm

CSW%

31.3%

iVB / iHB

1" / 4.1"

Stuff+

DLoc+

Pitching+

vs L

86▼

100

vs R

95▼

83▼

Grade drivers

League-average Slider · 100 → 87.7

Carry along arm slot

−3.2

Horizontal geometry

−2.4

Extension

−1.4

Velo gap vs fastball

+1.2

Arm angle

+1.0

Release height

−0.9

Everything else

−6.6

4-Seam Fastball

44.1%|Pitching+93▼

PLoc+

93▼-> 2027

Velocity

94.8mph

Spin

1997rpm

CSW%

29.7%

iVB / iHB

10.9" / 12.7"

Stuff+

DLoc+

Pitching+

vs L

79▼

92▼

vs R

90▼

95▼

Grade drivers

League-average 4-Seam Fastball · 100 → 83.8

Break across arm slot

−6.3

Horizontal geometry

−2.8

Carry along arm slot

−2.0

Seam-shifted wake: amount

−1.8

Vertical approach angle

+1.3

Extension

−0.7

Everything else

−3.9

Sinker

4.3%|Pitching+95▼

PLoc+

95▼-> 2027

Velocity

94.5mph

Spin

1952rpm

CSW%

21%

iVB / iHB

5.5" / 18"

Stuff+

DLoc+

Pitching+

vs L

90▼

75▼

92▼

vs R

79▼

Grade drivers

League-average Sinker · 100 → 87.7

Seam-shifted wake: amount

−3.1

Horizontal geometry

−3.0

Carry along arm slot

+1.7

Extension

−1.3

Break across arm slot

−1.1

Seam-shifted wake: direction

−1.0

Everything else

−4.5

Changeup

3.5%|Pitching+90▼

PLoc+

90▼-> 2027

Velocity

86.5mph

Spin

1787rpm

CSW%

35.3%

iVB / iHB

6.9" / 14.3"

Stuff+

DLoc+

Pitching+

vs L

79▼

88▼

91▼

vs R

86▼

84▼

91▼

Grade drivers

League-average Changeup · 100 → 80.4

Vertical approach angle

−4.1

Horizontal geometry

−3.0

Break across arm slot

−2.9

Vertical break gap vs fastball

−2.7

Extension

−2.2

Velo gap vs fastball

+1.2

Everything else

−5.9

Split-Finger

1.9%|Pitching+87▼

PLoc+

87▼-> 2027

Velocity

84.5mph

Spin

1320rpm

CSW%

14.3%

iVB / iHB

3.1" / 12.7"

Stuff+

DLoc+

Pitching+

vs L

90▼

61▼

90▼

vs R

61▼

86▼

Grade drivers

League-average Split-Finger · 100 → 92.0

Velo gap vs fastball

+4.8

Extension

−4.0

Vertical break gap vs fastball

−1.9

Seam-shifted wake: amount

−1.9

Horizontal geometry

−1.5

Velocity

−1.4

Everything else

−2.1

Curveball

0.4%|Pitching+98

PLoc+

84▼-> 2027

Velocity

77.6mph

Spin

2470rpm

CSW%

33.3%

iVB / iHB

-8.5" / -8.1"

Stuff+

DLoc+

Pitching+

vs L

100

80▼

105▲

vs R

103

70▼

93▼

Grade drivers

League-average Curveball · 100 → 101.8

Arm angle

+5.8

Velo gap vs fastball

+3.6

Horizontal geometry

−1.6

Vertical approach angle

+1.5

Carry along arm slot

−1.2

Velocity

−1.0

Everything else

−5.3

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

Tatsuya Imai

RHP

Team: Houston AstrosThrows: RHeight: 5'11"Weight: 176 lbDOB: May 9, 1998Born: Kanuma, JapanActive

Compare

Games

4.93

ERA

13.9%

K-BB%

94.8 mph

FB Velo

29.9%

CSW%

Stuff+

-13 vs MLB 100

vL 83▼vR 91▼

DLoc+

-4 vs MLB 100

vL 98vR 94▼

Stockyard PLoc+

101

+1 vs MLB 100

2026 Stockyard PLoc+ -> 2027

Pitching+

-24 vs MLB 100

vL 95▼vR 96

Synergy

106

Pitch Arsenal

Click a pitch to collapse or expand details

Slider

45.8%|Pitching+99

PLoc+

87▼-> 2027

Velocity

86.6mph

Spin

2270rpm

CSW%

31.3%

iVB / iHB

1" / 4.1"

Stuff+

DLoc+

Pitching+

vs L

86▼

100

vs R

95▼

83▼

Grade drivers

League-average Slider · 100 → 87.7

Carry along arm slot

−3.2

Horizontal geometry

−2.4

Extension

−1.4

Velo gap vs fastball

+1.2

Arm angle

+1.0

Release height

−0.9

Everything else

−6.6

4-Seam Fastball

44.1%|Pitching+93▼

PLoc+

93▼-> 2027

Velocity

94.8mph

Spin

1997rpm

CSW%

29.7%

iVB / iHB

10.9" / 12.7"

Stuff+

DLoc+

Pitching+

vs L

79▼

92▼

vs R

90▼

95▼

Grade drivers

League-average 4-Seam Fastball · 100 → 83.8

Break across arm slot

−6.3

Horizontal geometry

−2.8

Carry along arm slot

−2.0

Seam-shifted wake: amount

−1.8

Vertical approach angle

+1.3

Extension

−0.7

Everything else

−3.9

Sinker

4.3%|Pitching+95▼

PLoc+

95▼-> 2027

Velocity

94.5mph

Spin

1952rpm

CSW%

21%

iVB / iHB

5.5" / 18"

Stuff+

DLoc+

Pitching+

vs L

90▼

75▼

92▼

vs R

79▼

Grade drivers

League-average Sinker · 100 → 87.7

Seam-shifted wake: amount

−3.1

Horizontal geometry

−3.0

Carry along arm slot

+1.7

Extension

−1.3

Break across arm slot

−1.1

Seam-shifted wake: direction

−1.0

Everything else

−4.5

Changeup

3.5%|Pitching+90▼

PLoc+

90▼-> 2027

Velocity

86.5mph

Spin

1787rpm

CSW%

35.3%

iVB / iHB

6.9" / 14.3"

Stuff+

DLoc+

Pitching+

vs L

79▼

88▼

91▼

vs R

86▼

84▼

91▼

Grade drivers

League-average Changeup · 100 → 80.4

Vertical approach angle

−4.1

Horizontal geometry

−3.0

Break across arm slot

−2.9

Vertical break gap vs fastball

−2.7

Extension

−2.2

Velo gap vs fastball

+1.2

Everything else

−5.9

Split-Finger

1.9%|Pitching+87▼

PLoc+

87▼-> 2027

Velocity

84.5mph

Spin

1320rpm

CSW%

14.3%

iVB / iHB

3.1" / 12.7"

Stuff+

DLoc+

Pitching+

vs L

90▼

61▼

90▼

vs R

61▼

86▼

Grade drivers

League-average Split-Finger · 100 → 92.0

Velo gap vs fastball

+4.8

Extension

−4.0

Vertical break gap vs fastball

−1.9

Seam-shifted wake: amount

−1.9

Horizontal geometry

−1.5

Velocity

−1.4

Everything else

−2.1

Curveball

0.4%|Pitching+98

PLoc+

84▼-> 2027

Velocity

77.6mph

Spin

2470rpm

CSW%

33.3%

iVB / iHB

-8.5" / -8.1"

Stuff+

DLoc+

Pitching+

vs L

100

80▼

105▲

vs R

103

70▼

93▼

Grade drivers

League-average Curveball · 100 → 101.8

Arm angle

+5.8

Velo gap vs fastball

+3.6

Horizontal geometry

−1.6

Vertical approach angle

+1.5

Carry along arm slot

−1.2

Velocity

−1.0

Everything else

−5.3

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

Tatsuya Imai

Pitch Arsenal

Slider

4-Seam Fastball

Sinker

Changeup

Split-Finger

Curveball

Similar Pitchers

Game Log

Tatsuya Imai

Pitch Arsenal

Slider

4-Seam Fastball

Sinker

Changeup

Split-Finger

Curveball

Similar Pitchers

Game Log