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MLB player profile

Mason Black

Current club

Kansas City Royals

Season spotlight

ERA
4.312026

Uniform

47

Bats

Right

Throws

Right

Player profile

Age

26

Born

Scranton, PA, USA

Height

6' 3"

MLB debut

May 6, 2024

Birth date

December 10, 1999

Weight

228

Verified source

MLB Stats API

·

October 4, 2026 · 3:00 am EDT Open official record ↗

Current season line

2026

G

17

GS

0

IP

31.1

W

0

L

0

ERA

4.31

WHIP

1.60

SO

19

SV

0

HLD

0

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