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Mason Black

Royals
Number #47
Position RP
Bats R
Throws R
Age 26
Height 6' 3"
Weight 228 lbs
Birth Place Scranton, PA
Born Dec 10, 1999

Key Insights

2026
The angle he throws from is unusual, and hitters notice

Black releases the ball from a sidearm slot, about 18 degrees above horizontal and 2.3 feet to the third-base side of the rubber.

556 tracked release points, averaging 5.1 feet off the ground.
When he falls behind, hitters know exactly what is coming

Behind in the count Black throws a fastball 69.3% of the time, against 44.7% when he is ahead.

189 pitches behind in the count, 150 ahead.
There is one pitch of his that keeps getting hit

Contact off Black's slider leaves the bat at 95.0 mph, against 83.2 off his cutter.

84 and 43 of them thrown.
One pitch of his runs sideways more than almost anyone's

Black's sinker moves 16.4 inches toward the third-base side, the biggest horizontal move in his arsenal.

150 thrown, averaging 93.8 mph.
This is the pitch he goes to when he needs the out

With two strikes Black goes to the 4-seam fastball: 32.1% of his two-strike pitches, against 15.5% the rest of the time.

156 two-strike pitches in 2026.
He saves one pitch for one side of the plate

Black throws the sinker 37% of the time against right-handers and 14.7% against left-handers.

305 pitches to right-handers, 251 to left-handers.

Movement Profile (Induced Break)

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

Player Bio Data
DOB Dec 10, 1999
Birth Place Scranton, PA
Height 6' 3"
Weight 228 lbs LBS
Bats/Throws R/R