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Blas Castano

Rockies
Number #63
Position RP
Bats R
Throws R
Age 28
Height 5' 10"
Weight 162 lbs
Birth Place Esperanza, Dominican Republic
Born Sep 8, 1998

Key Insights

2026
When he falls behind, hitters know exactly what is coming

Behind in the count Castano throws a fastball 81.4% of the time, against 50.7% when he is ahead.

113 pitches behind in the count, 144 ahead.
The angle he throws from is unusual, and hitters notice

Castano releases the ball from a sidearm slot, about 23 degrees above horizontal and 1.9 feet to the third-base side of the rubber.

460 tracked release points, averaging 4.9 feet off the ground.
One pitch of his runs sideways more than almost anyone's

Castano's sinker moves 14.9 inches toward the third-base side, the biggest horizontal move in his arsenal.

187 thrown, averaging 94.1 mph.
This is the pitch he goes to when he needs the out

With two strikes Castano goes to the 4-seam fastball: 22.4% of his two-strike pitches, against 6.7% the rest of the time.

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

Contact off Castano's sinker leaves the bat at 93.0 mph, against 87.6 off his sweeper.

187 and 108 of them thrown.
He releases the ball about where everyone else does

Castano releases the ball 5.4 feet down the mound, a shorter stride than most.

460 tracked pitches in 2026.

Movement Profile (Induced Break)

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

Player Bio Data
DOB Sep 8, 1998
Birth Place Esperanza, Dominican Republic
Height 5' 10"
Weight 162 lbs LBS
Bats/Throws R/R