Mason Black

2026 seasonregular season

Bats/Throws: R/R
Height: 6' 3"
Weight: 228 lb
Age: 26
Born: Scranton, PA, USA
MLB debut: 2024-05-06
Drafted: 2021

Pitch qualityour Stuff+ grades

How nasty each pitch is from its physical shape alone — velocity, spin, movement, extension and release point — on a scale where 100 is league average and every 10 points is one standard deviation. It does not see where the pitch was thrown, the count, or what happened to it, so a pitcher with great stuff and poor command can still give up runs. How it is built

94overall

Slider102
Sinker101
Cutter98
Sweeper95
Changeup94
Four-seam fastball90

Pitching

Season	G	GS	IP	ERA	WHIP	K	BB	HR	K/9	W-L	SV
2026	17	0	31.1	4.31	1.60	19	20	6	5.46	0-0	0

Last 10 games

Game	IP	H	ER	BB	K	HR	P
08/26@TORL	2.0	0	0	0	0	0	17
08/23vDETW	0.2	3	3	1	0	1	25
08/18vATHW	3.0	2	2	3	1	0	51
08/12@LADL	3.0	3	1	2	1	1	44
08/07vCHCL	5.0	3	2	3	2	1	86
06/18vSTLW	2.0	3	2	2	0	0	40
06/15@WSHL	2.0	1	1	1	0	1	36
06/12vHOUL	2.1	3	1	3	3	1	48
06/10vTEXL	1.2	2	1	2	2	0	39
06/07@MINW	1.0	0	0	0	1	0	10

Full 2026 game log (17 games)

Game	IP	H	ER	BB	K	HR	P
08/26@TORL	2.0	0	0	0	0	0	17
08/23vDETW	0.2	3	3	1	0	1	25
08/18vATHW	3.0	2	2	3	1	0	51
08/12@LADL	3.0	3	1	2	1	1	44
08/07vCHCL	5.0	3	2	3	2	1	86
06/18vSTLW	2.0	3	2	2	0	0	40
06/15@WSHL	2.0	1	1	1	0	1	36
06/12vHOUL	2.1	3	1	3	3	1	48
06/10vTEXL	1.2	2	1	2	2	0	39
06/07@MINW	1.0	0	0	0	1	0	10
06/01@CINW	1.0	2	0	0	1	0	15
05/31@TEXL	1.0	0	0	0	1	0	11
05/27vNYYL	2.0	1	2	1	2	1	34
04/29@ATHL	1.0	1	0	0	0	0	20
04/25vLAAW	1.0	2	0	0	2	0	18
04/22vBALL	1.0	1	0	1	1	0	24
04/19@NYYL	1.2	3	0	1	2	0	38

Career by season

Season	G	GS	IP	ERA	WHIP	K	BB	HR	K/9	W-L
2024SF	9	8	36.1	6.44	1.68	31	15	7	7.68	1-5
2025SF	1	0	4.0	6.75	1.25	5	0	2	11.25	0-0
2026KC	17	0	31.1	4.31	1.60	19	20	6	5.46	0-0

Stats from the MLB Stats API, regular season only. A traded player's combined season appears as one row per club plus the total.