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Seth Halvorsen

Dodgers
Number #54
Position Relief Pitcher
Bats Right
Throws Right
Age 26
Height 6' 2"
Weight 243 lbs
Birth Place Chicago, IL
Born Feb 18, 2000

Key Insights

2026
His fastball is the pitch everything else is built on

Halvorsen's 4-seam fastball averages 99.2 mph, and has touched 101.3.

82 thrown, 56.2% of his pitches.
How much of the zone he uses depends on the count

Halvorsen puts 60.9% of his pitches in the zone when he is behind and 31.4% when he is ahead.

46 located pitches behind, 35 ahead.
One pitch of his moves in a way hitters rarely see

Halvorsen's 4-seam fastball carries 14.2 inches of ride against a spinless ball, the biggest vertical move in his arsenal.

82 thrown, averaging 99.2 mph.
The angle he throws from is unusual, and hitters notice

Halvorsen releases the ball from a low three-quarters slot, about 34 degrees above horizontal and 2.1 feet to the third-base side of the rubber.

146 tracked release points, averaging 5.7 feet off the ground.
He falls behind hitters far too often

Halvorsen throws a strike on the first pitch 52.3% of the time.

44 plate appearances started in 2026.
He saves one pitch for one side of the plate

Halvorsen throws the splitter 25.5% of the time against left-handers and 4.4% against right-handers.

91 pitches to right-handers, 55 to left-handers.

Movement Profile (Induced Break)

Catcher's Perspective • Pitch movement relative to a spinless ball

Player Bio Data
DOB Feb 18, 2000
Birth Place Chicago, IL
Height 6' 2"
Weight 243 lbs LBS
Bats/Throws Right/Right