Ian Seymour

LHP

Team: Tampa Bay RaysThrows: LHeight: 6'0"Weight: 215 lbDOB: Dec 13, 1998Born: Madison, CT, USAActive

Compare

Games

4.21

ERA

21.9%

K-BB%

91.4 mph

FB Velo

31.5%

CSW%

Stuff+

100

0 vs MLB 100

vL 110▲vR 91▼

DLoc+

-2 vs MLB 100

vL 99vR 97

Stockyard PLoc+

110

+10 vs MLB 100

2026 Stockyard PLoc+ -> 2027

Pitching+

104

+4 vs MLB 100

vL 108▲vR 103

Synergy

Pitch Arsenal

Click a pitch to collapse or expand details

Pitching+ drivers · League average 100.6 → 104

Horizontal location

+9.3

Vertical location

−6.2

Zone-relative height

+4.8

Break across arm slot

+4.6

Velocity

−4.4

Carry along arm slot

−4.3

Everything else

−0.4

Changeup

28.8%|Pitching+103

PLoc+

103-> 2027

Velocity

83.4mph

Spin

1615rpm

CSW%

30.8%

iVB / iHB

7.9" / 15.4"

Stuff+

DLoc+

Pitching+

vs L

95▼

104

vs R

94▼

101

Pitching+ drivers · League average 103.7 → 103

Release side

+2.0

Zone-relative height

−1.4

Horizontal location

+1.4

Velocity

−0.9

Break across arm slot

−0.9

Vertical location

−0.6

Everything else

−0.3

4-Seam Fastball

27.3%|Pitching+103

PLoc+

113▲-> 2027

Velocity

91.4mph

Spin

2162rpm

CSW%

27.9%

iVB / iHB

16.8" / 6.8"

Stuff+

DLoc+

Pitching+

vs L

95▼

101

103

vs R

93▼

101

103

Pitching+ drivers · League average 104.1 → 103

Carry along arm slot

−2.8

Release side

+1.8

Velocity

−1.6

Horizontal location

+1.5

Break across arm slot

+1.3

Horizontal approach angle

−1.1

Everything else

−0.2

Sweeper

19.5%|Pitching+114▲

PLoc+

104-> 2027

Velocity

81.6mph

Spin

2176rpm

CSW%

36.7%

iVB / iHB

9.6" / -12.1"

Stuff+

DLoc+

Pitching+

vs L

123▲

114▲

116▲

vs R

91▼

107▲

108▲

Pitching+ drivers · League average 105.0 → 114

Break across arm slot

+6.3

Horizontal location

+5.2

Zone-relative height

+4.1

Vertical location

−3.4

Arm angle

−1.2

Carry along arm slot

−0.9

Everything else

−1.1

Sinker

16.6%|Pitching+102

PLoc+

111▲-> 2027

Velocity

89.9mph

Spin

1960rpm

CSW%

34.9%

iVB / iHB

10.3" / 15"

Stuff+

DLoc+

Pitching+

vs L

105▲

102

106▲

vs R

84▼

95▼

Pitching+ drivers · League average 103.7 → 102

Horizontal location

+2.2

Vertical location

−1.9

Zone-relative height

+1.9

Carry along arm slot

−1.7

Velocity

−1.7

Break across arm slot

−1.3

Everything else

+0.8

Slider

6.5%|Pitching+109▲

PLoc+

100-> 2027

Velocity

83.2mph

Spin

2112rpm

CSW%

29.9%

iVB / iHB

12.3" / -3.4"

Stuff+

DLoc+

Pitching+

vs L

125▲

85▼

111▲

vs R

90▼

106▲

Pitching+ drivers · League average 103.8 → 109

Zone-relative height

+5.1

Break across arm slot

+4.8

Vertical location

−3.5

Horizontal location

+2.5

Velocity

−2.3

Carry along arm slot

−0.9

Everything else

−0.5

Curveball

0.7%|Pitching+89▼

PLoc+

85▼-> 2027

Velocity

72.7mph

Spin

1942rpm

CSW%

28.6%

iVB / iHB

-12.3" / -9.7"

Stuff+

DLoc+

Pitching+

vs L

89▼

49▼

82▼

vs R

87▼

68▼

94▼

Pitching+ drivers · League average 104.5 → 89

Vertical location

−6.2

Horizontal location

−5.7

Velo gap vs fastball

+2.2

Arm angle

−1.4

Zone-relative height

−1.3

Velocity

−0.9

Everything else

−2.2

Cutter

0.7%|Pitching+94▼

PLoc+

96-> 2027

Velocity

86mph

Spin

2148rpm

CSW%

20%

iVB / iHB

9.3" / -2.6"

Stuff+

DLoc+

Pitching+

vs L

105▲

61▼

vs R

100

84▼

93▼

Pitching+ drivers · League average 103.0 → 94

Vertical location

−3.3

Horizontal location

−3.3

Release side

+1.8

Break across arm slot

+1.4

Horizontal approach angle

−1.4

Velocity

−1.2

Everything else

−3.0

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

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Last 30 games in 2026

Ian Seymour

Pitch Arsenal

Changeup

4-Seam Fastball

Sweeper

Sinker

Slider

Curveball

Cutter

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