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Halvorsen, Seth

RHP

Team: Los Angeles DodgersThrows: RHeight: 6'2"Weight: 243 lbDOB: Feb 18, 2000Born: Chicago, IL, USAActive

Games

4.7

ERA

0.9%

K-BB%

98.9 mph

FB Velo

22.1%

CSW%

Stuff+

102

+2 vs lg 100

vL 102vR 102

DLoc+

106

+6 vs lg 100

vL 105▲vR 106▲

Stockyard PLoc+

—

MLB season projection

Projects next-year DLoc+

Pitching+

-4 vs lg 100

vL 96vR 95▼

Deception

—

2024+ only

Synergy

—

Min. 40 IP

Mix+

—

Min. 40 IP

Match+

—

Min. 40 IP

Pitch Arsenal

Click a pitch to collapse or expand details

4-Seam Fastball

62.9%|P+98

Velocity

98.9mph

Spin

2303rpm

CSW%

18.3%

iVB / iHB

14.3" / 8.9"

Stuff+

DLoc+

Pitching+

vs L

104

102

vs R

101

Grade drivers

League-average 4-Seam Fastball · 100 → 102.5

Carry along arm slot

+8.1

Break across arm slot

−6.2

Velocity

+5.5

Seam-shifted wake: amount

−2.8

Release side

−2.1

Horizontal approach angle

+0.9

Everything else

−0.9

Slider

29.6%|P+103

Velocity

86.3mph

Spin

2633rpm

CSW%

28.6%

iVB / iHB

-2.4" / -5.2"

Stuff+

DLoc+

Pitching+

vs L

101

104

vs R

104

103

101

Grade drivers

League-average Slider · 100 → 103.6

Velocity

+1.5

Spin rate

+1.5

Release side

−1.4

Extension

+1.4

Carry along arm slot

+1.0

Velo gap vs fastball

+0.6

Everything else

−1.0

Split-Finger

7.5%|P+100

Velocity

90.1mph

Spin

1612rpm

CSW%

34.4%

iVB / iHB

6" / 11.8"

Stuff+

DLoc+

Pitching+

vs L

93▼

100

vs R

104

102

Grade drivers

League-average Split-Finger · 100 → 95.5

Break across arm slot

−4.5

Carry along arm slot

+1.8

Velocity

+1.7

Release side

−1.5

Vertical break gap vs fastball

−1.2

Velo gap vs fastball

+0.8

Everything else

−1.6

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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Game Log

Last 30 games in 2026