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Robby Ahlstrom

Rangers
Number #54
Position RP
Bats L
Throws L
Age 27
Height 6' 3"
Weight 195 lbs
Birth Place Placerville, CA
Born Jun 18, 1999

Key Insights

2026
One pitch of his moves in a way hitters rarely see

Ahlstrom's 4-seam fastball carries 17.0 inches of ride against a spinless ball, the biggest vertical move in his arsenal.

204 thrown, averaging 94.4 mph.
He saves one pitch for one side of the plate

Ahlstrom throws the slider 47% of the time against left-handers and 8.3% against right-handers.

363 pitches to right-handers, 285 to left-handers.
This is the pitch he goes to when he needs the out

With two strikes Ahlstrom goes to the 4-seam fastball: 40.6% of his two-strike pitches, against 27.2% the rest of the time.

207 two-strike pitches in 2026.
There is one pitch of his that keeps getting hit

Contact off Ahlstrom's changeup leaves the bat at 88.3 mph, against 82.7 off his sinker.

104 and 152 of them thrown.
One pitch of his runs sideways more than almost anyone's

Ahlstrom's sinker moves 14.0 inches toward the first-base side, the biggest horizontal move in his arsenal.

152 thrown, averaging 94.4 mph.
How much of the zone he uses depends on the count

Ahlstrom puts 64% of his pitches in the zone when he is behind and 41.1% when he is ahead.

175 located pitches behind, 185 ahead.

Movement Profile (Induced Break)

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

Player Bio Data
DOB Jun 18, 1999
Birth Place Placerville, CA
Height 6' 3"
Weight 195 lbs LBS
Bats/Throws L/L
College/Draft Oregon