Carson Seymour

RHP

Team: San Francisco GiantsThrows: RHeight: 6'5"Weight: 264 lbDOB: Dec 16, 1998Born: Poway, CA, USAActive

Compare

Games

4.55

ERA

5.0%

K-BB%

97.2 mph

FB Velo

25.4%

CSW%

Stuff+

103

+3 vs MLB 100

vL 97vR 110▲

DLoc+

-30 vs MLB 100

vL 71▼vR 69▼

Stockyard PLoc+

-16 vs MLB 100

2026 Stockyard PLoc+ -> 2027

Pitching+

-11 vs MLB 100

vL 96vR 100

Synergy

—

Pitch Arsenal

Click a pitch to collapse or expand details

Sinker

33.8%|Pitching+105▲

PLoc+

69▼-> 2027

Velocity

96.6mph

Spin

2255rpm

CSW%

33%

iVB / iHB

5.1" / 15.3"

Stuff+

DLoc+

Pitching+

vs L

83▼

100

vs R

114▲

90▼

109▲

Grade drivers

League-average Sinker · 100 → 104.9

Break across arm slot

+8.8

Velocity

+5.1

Carry along arm slot

−4.6

Vertical approach angle

−0.7

Horizontal geometry

−0.6

Extension

+0.4

Everything else

−3.5

Slider

24.2%|Pitching+94▼

PLoc+

68▼-> 2027

Velocity

88.7mph

Spin

2077rpm

CSW%

25%

iVB / iHB

-6.2" / -0.1"

Stuff+

DLoc+

Pitching+

vs L

25▼

93▼

vs R

119▲

33▼

95▼

Grade drivers

League-average Slider · 100 → 110.0

Velocity

+13.8

Break across arm slot

+2.0

Horizontal geometry

−1.9

Velo gap vs fastball

+1.5

Vertical approach angle

+1.3

Release height

−1.2

Everything else

−5.5

Cutter

22.5%|Pitching+94▼

PLoc+

98-> 2027

Velocity

94.3mph

Spin

2440rpm

CSW%

24.4%

iVB / iHB

4.7" / 1.1"

Stuff+

DLoc+

Pitching+

vs L

103

92▼

vs R

86▼

92▼

Grade drivers

League-average Cutter · 100 → 93.6

Break across arm slot

−9.8

Velocity

+8.5

Vertical approach angle

−3.0

Seam-shifted wake: amount

−2.2

Carry along arm slot

+1.8

Horizontal geometry

−1.3

Everything else

−0.4

4-Seam Fastball

16.6%|Pitching+98

PLoc+

86▼-> 2027

Velocity

97.2mph

Spin

2232rpm

CSW%

15.9%

iVB / iHB

12.9" / 8.4"

Stuff+

DLoc+

Pitching+

vs L

92▼

86▼

vs R

93▼

76▼

Grade drivers

League-average 4-Seam Fastball · 100 → 91.7

Break across arm slot

−6.6

Velocity

+4.0

Vertical approach angle

−3.3

Seam-shifted wake: amount

+2.5

Carry along arm slot

−2.2

Seam-shifted wake: direction

+0.6

Everything else

−3.3

Split-Finger

2.8%|Pitching+103

PLoc+

94▼-> 2027

Velocity

91.7mph

Spin

1303rpm

CSW%

13.3%

iVB / iHB

-1.5" / 11.8"

Stuff+

DLoc+

Pitching+

vs L

102

77▼

103

vs R

106▲

78▼

103

Grade drivers

League-average Split-Finger · 100 → 104.9

Break across arm slot

+7.7

Velocity

+5.7

Velo gap vs fastball

−5.2

Vertical break gap vs fastball

−4.6

Horizontal geometry

−3.9

Vertical approach angle

+3.0

Everything else

+2.2

Curveball

0.2%|Pitching+35▼

PLoc+

64▼-> 2027

Velocity

85.6mph

Spin

1639rpm

CSW%

iVB / iHB

-2.4" / -6.7"

Stuff+

DLoc+

Pitching+

vs L

-105▼

67▼

vs R

105▲

-134▼

19▼

Grade drivers

League-average Curveball · 100 → 101.9

Velocity

+10.4

Spin rate

−2.9

Horizontal geometry

−2.7

Seam-shifted wake: direction

+1.8

Release height

−1.2

Break across arm slot

−1.0

Everything else

−2.5

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

Carson Seymour

RHP

Team: San Francisco GiantsThrows: RHeight: 6'5"Weight: 264 lbDOB: Dec 16, 1998Born: Poway, CA, USAActive

Compare

Games

4.55

ERA

5.0%

K-BB%

97.2 mph

FB Velo

25.4%

CSW%

Stuff+

103

+3 vs MLB 100

vL 97vR 110▲

DLoc+

-30 vs MLB 100

vL 71▼vR 69▼

Stockyard PLoc+

-16 vs MLB 100

2026 Stockyard PLoc+ -> 2027

Pitching+

-11 vs MLB 100

vL 96vR 100

Synergy

—

Pitch Arsenal

Click a pitch to collapse or expand details

Sinker

33.8%|Pitching+105▲

PLoc+

69▼-> 2027

Velocity

96.6mph

Spin

2255rpm

CSW%

33%

iVB / iHB

5.1" / 15.3"

Stuff+

DLoc+

Pitching+

vs L

83▼

100

vs R

114▲

90▼

109▲

Grade drivers

League-average Sinker · 100 → 104.9

Break across arm slot

+8.8

Velocity

+5.1

Carry along arm slot

−4.6

Vertical approach angle

−0.7

Horizontal geometry

−0.6

Extension

+0.4

Everything else

−3.5

Slider

24.2%|Pitching+94▼

PLoc+

68▼-> 2027

Velocity

88.7mph

Spin

2077rpm

CSW%

25%

iVB / iHB

-6.2" / -0.1"

Stuff+

DLoc+

Pitching+

vs L

25▼

93▼

vs R

119▲

33▼

95▼

Grade drivers

League-average Slider · 100 → 110.0

Velocity

+13.8

Break across arm slot

+2.0

Horizontal geometry

−1.9

Velo gap vs fastball

+1.5

Vertical approach angle

+1.3

Release height

−1.2

Everything else

−5.5

Cutter

22.5%|Pitching+94▼

PLoc+

98-> 2027

Velocity

94.3mph

Spin

2440rpm

CSW%

24.4%

iVB / iHB

4.7" / 1.1"

Stuff+

DLoc+

Pitching+

vs L

103

92▼

vs R

86▼

92▼

Grade drivers

League-average Cutter · 100 → 93.6

Break across arm slot

−9.8

Velocity

+8.5

Vertical approach angle

−3.0

Seam-shifted wake: amount

−2.2

Carry along arm slot

+1.8

Horizontal geometry

−1.3

Everything else

−0.4

4-Seam Fastball

16.6%|Pitching+98

PLoc+

86▼-> 2027

Velocity

97.2mph

Spin

2232rpm

CSW%

15.9%

iVB / iHB

12.9" / 8.4"

Stuff+

DLoc+

Pitching+

vs L

92▼

86▼

vs R

93▼

76▼

Grade drivers

League-average 4-Seam Fastball · 100 → 91.7

Break across arm slot

−6.6

Velocity

+4.0

Vertical approach angle

−3.3

Seam-shifted wake: amount

+2.5

Carry along arm slot

−2.2

Seam-shifted wake: direction

+0.6

Everything else

−3.3

Split-Finger

2.8%|Pitching+103

PLoc+

94▼-> 2027

Velocity

91.7mph

Spin

1303rpm

CSW%

13.3%

iVB / iHB

-1.5" / 11.8"

Stuff+

DLoc+

Pitching+

vs L

102

77▼

103

vs R

106▲

78▼

103

Grade drivers

League-average Split-Finger · 100 → 104.9

Break across arm slot

+7.7

Velocity

+5.7

Velo gap vs fastball

−5.2

Vertical break gap vs fastball

−4.6

Horizontal geometry

−3.9

Vertical approach angle

+3.0

Everything else

+2.2

Curveball

0.2%|Pitching+35▼

PLoc+

64▼-> 2027

Velocity

85.6mph

Spin

1639rpm

CSW%

iVB / iHB

-2.4" / -6.7"

Stuff+

DLoc+

Pitching+

vs L

-105▼

67▼

vs R

105▲

-134▼

19▼

Grade drivers

League-average Curveball · 100 → 101.9

Velocity

+10.4

Spin rate

−2.9

Horizontal geometry

−2.7

Seam-shifted wake: direction

+1.8

Release height

−1.2

Break across arm slot

−1.0

Everything else

−2.5

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

Carson Seymour

Pitch Arsenal

Sinker

Slider

Cutter

4-Seam Fastball

Split-Finger

Curveball

Similar Pitchers

Game Log

Carson Seymour

Pitch Arsenal

Sinker

Slider

Cutter

4-Seam Fastball

Split-Finger

Curveball

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Game Log