Seth Halvorsen

RHP

Team: Oklahoma City CometsThrows: RHeight: 6'2"Weight: 243 lbDOB: Feb 18, 2000Born: Chicago, IL, USAActive

Compare

Games

5.90

ERA

4.3%

K-BB%

98.9 mph

FB Velo

21.9%

CSW%

Stuff+

104

+4 vs MLB 100

vL 102vR 106▲

DLoc+

-3 vs MLB 100

vL 96vR 99

Stockyard PLoc+

-9 vs MLB 100

2026 Stockyard PLoc+ -> 2027

Pitching+

-8 vs MLB 100

vL 100vR 102

Synergy

—

Pitch Arsenal

Click a pitch to collapse or expand details

4-Seam Fastball

60%|Pitching+100

PLoc+

93▼-> 2027

Velocity

98.9mph

Spin

2310rpm

CSW%

19.2%

iVB / iHB

14.4" / 9"

Stuff+

DLoc+

Pitching+

vs L

105▲

86▼

101

vs R

104

87▼

100

Grade drivers

League-average 4-Seam Fastball · 100 → 104.5

Carry along arm slot

+11.1

Break across arm slot

−7.3

Velocity

+5.8

Seam-shifted wake: amount

−1.7

Horizontal geometry

−1.6

Release height

+1.1

Everything else

−2.9

Slider

28.9%|Pitching+102

PLoc+

89▼-> 2027

Velocity

86.6mph

Spin

2634rpm

CSW%

28.5%

iVB / iHB

-2.2" / -5.6"

Stuff+

DLoc+

Pitching+

vs L

92▼

101

vs R

101

91▼

102

Grade drivers

League-average Slider · 100 → 99.6

Velocity

+4.7

Velo gap vs fastball

+3.6

Horizontal geometry

−3.4

Spin rate

+2.0

Arm angle

−1.5

Extension

+1.2

Everything else

−7.0

Split-Finger

9.2%|Pitching+104

PLoc+

91▼-> 2027

Velocity

89.5mph

Spin

1602rpm

CSW%

25%

iVB / iHB

6.1" / 11.6"

Stuff+

DLoc+

Pitching+

vs L

102

vs R

107▲

108▲

105▲

Grade drivers

League-average Split-Finger · 100 → 102.6

Velocity

+5.3

Horizontal geometry

−3.0

Vertical approach angle

−1.6

Carry along arm slot

+1.5

Break across arm slot

−1.4

Extension

+1.3

Everything else

+0.5

Sinker

1.9%|Pitching+102

PLoc+

90▼-> 2027

Velocity

98mph

Spin

2118rpm

CSW%

10%

iVB / iHB

10.8" / 14.6"

Stuff+

DLoc+

Pitching+

vs L

46▼

vs R

112▲

91▼

106▲

Grade drivers

League-average Sinker · 100 → 105.2

Carry along arm slot

+8.2

Velocity

+6.6

Horizontal geometry

−3.0

Release height

−1.0

Seam-shifted wake: amount

−1.0

Seam-shifted wake: direction

−0.9

Everything else

−3.7

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

Seth Halvorsen

RHP

Team: Oklahoma City CometsThrows: RHeight: 6'2"Weight: 243 lbDOB: Feb 18, 2000Born: Chicago, IL, USAActive

Compare

Games

5.90

ERA

4.3%

K-BB%

98.9 mph

FB Velo

21.9%

CSW%

Stuff+

104

+4 vs MLB 100

vL 102vR 106▲

DLoc+

-3 vs MLB 100

vL 96vR 99

Stockyard PLoc+

-9 vs MLB 100

2026 Stockyard PLoc+ -> 2027

Pitching+

-8 vs MLB 100

vL 100vR 102

Synergy

—

Pitch Arsenal

Click a pitch to collapse or expand details

4-Seam Fastball

60%|Pitching+100

PLoc+

93▼-> 2027

Velocity

98.9mph

Spin

2310rpm

CSW%

19.2%

iVB / iHB

14.4" / 9"

Stuff+

DLoc+

Pitching+

vs L

105▲

86▼

101

vs R

104

87▼

100

Grade drivers

League-average 4-Seam Fastball · 100 → 104.5

Carry along arm slot

+11.1

Break across arm slot

−7.3

Velocity

+5.8

Seam-shifted wake: amount

−1.7

Horizontal geometry

−1.6

Release height

+1.1

Everything else

−2.9

Slider

28.9%|Pitching+102

PLoc+

89▼-> 2027

Velocity

86.6mph

Spin

2634rpm

CSW%

28.5%

iVB / iHB

-2.2" / -5.6"

Stuff+

DLoc+

Pitching+

vs L

92▼

101

vs R

101

91▼

102

Grade drivers

League-average Slider · 100 → 99.6

Velocity

+4.7

Velo gap vs fastball

+3.6

Horizontal geometry

−3.4

Spin rate

+2.0

Arm angle

−1.5

Extension

+1.2

Everything else

−7.0

Split-Finger

9.2%|Pitching+104

PLoc+

91▼-> 2027

Velocity

89.5mph

Spin

1602rpm

CSW%

25%

iVB / iHB

6.1" / 11.6"

Stuff+

DLoc+

Pitching+

vs L

102

vs R

107▲

108▲

105▲

Grade drivers

League-average Split-Finger · 100 → 102.6

Velocity

+5.3

Horizontal geometry

−3.0

Vertical approach angle

−1.6

Carry along arm slot

+1.5

Break across arm slot

−1.4

Extension

+1.3

Everything else

+0.5

Sinker

1.9%|Pitching+102

PLoc+

90▼-> 2027

Velocity

98mph

Spin

2118rpm

CSW%

10%

iVB / iHB

10.8" / 14.6"

Stuff+

DLoc+

Pitching+

vs L

46▼

vs R

112▲

91▼

106▲

Grade drivers

League-average Sinker · 100 → 105.2

Carry along arm slot

+8.2

Velocity

+6.6

Horizontal geometry

−3.0

Release height

−1.0

Seam-shifted wake: amount

−1.0

Seam-shifted wake: direction

−0.9

Everything else

−3.7

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

Seth Halvorsen

Pitch Arsenal

4-Seam Fastball

Slider

Split-Finger

Sinker

Similar Pitchers

Game Log

Seth Halvorsen

Pitch Arsenal

4-Seam Fastball

Slider

Split-Finger

Sinker

Similar Pitchers

Game Log