Mason Miller

2026 seasonregular season

Bats/Throws: R/R
Height: 6' 5"
Weight: 200 lb
Age: 28
Born: Pittsburgh, PA, USA
MLB debut: 2023-04-19
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

124overall

Four-seam fastball136
Slider116
Changeup103

Pitching

Season	G	GS	IP	ERA	WHIP	K	BB	HR	K/9	W-L	SV
2026	66	0	70.0	1.67	0.90	129	26	3	16.59	5-2	38

Last 10 games

Game	Dec	IP	H	ER	BB	K	HR	P
09/26vAZW		1.0	3	3	2	2	0	24
09/24@LADW	SV	1.0	1	1	0	2	0	17
09/23@LADW		1.0	0	0	1	2	0	18
09/20vMIAW		1.0	0	0	0	0	0	7
09/19vMIAW		1.2	1	1	0	4	1	26
09/14@COLW	SV	1.0	1	0	0	2	0	14
09/12@SFW	SV	1.0	0	0	0	2	0	17
09/11@SFW	SV	1.0	1	0	2	2	0	27
09/07vWSHW	SV	1.0	1	0	0	2	0	15
09/06vNYYW	SV	1.0	0	0	1	3	0	21

Full 2026 game log (66 games)

Game	Dec	IP	H	ER	BB	K	HR	P
09/26vAZW		1.0	3	3	2	2	0	24
09/24@LADW	SV	1.0	1	1	0	2	0	17
09/23@LADW		1.0	0	0	1	2	0	18
09/20vMIAW		1.0	0	0	0	0	0	7
09/19vMIAW		1.2	1	1	0	4	1	26
09/14@COLW	SV	1.0	1	0	0	2	0	14
09/12@SFW	SV	1.0	0	0	0	2	0	17
09/11@SFW	SV	1.0	1	0	2	2	0	27
09/07vWSHW	SV	1.0	1	0	0	2	0	15
09/06vNYYW	SV	1.0	0	0	1	3	0	21
09/04vNYYW	W	2.0	1	0	0	4	0	22
08/30@TBL		1.0	2	2	0	2	1	20
08/25vPITL	L	1.0	1	1	0	1	1	14
08/24vPITL		1.0	1	0	1	2	0	30
08/22vMINW	SV	1.0	0	0	0	1	0	10
08/21vMINW		1.0	0	0	0	3	0	17
08/18@NYMW	SV	1.0	0	0	0	2	0	16
08/12vMILW		1.0	0	0	2	1	0	23
08/10vMILW	SV	1.0	0	0	1	1	0	19
08/08vHOUW	SV	1.0	1	1	0	1	0	22
08/06@AZW		1.0	1	0	0	2	0	17
08/01vSFW	W	1.2	1	0	1	3	0	30
07/29vCOLW	SV	1.0	0	0	0	2	0	15
07/28vCOLW	W	1.0	0	0	0	3	0	11
07/26@MIAW	SV	1.0	0	0	0	1	0	15
07/24@MIAW	SV	1.0	0	0	0	1	0	11
07/21@ATLW		1.0	1	0	1	3	0	21
07/17@KCL		1.0	2	0	1	3	0	16
07/12vTORW	SV	1.0	0	0	0	1	0	8
07/11vTORW	SV	1.0	1	0	0	2	0	14
07/07vAZW	SV	1.0	0	0	0	2	0	14
07/05@LADW	SV	1.0	0	0	0	1	0	17
07/04@LADL		1.0	1	1	0	0	0	13
06/29@CHCL		0.2	2	0	0	0	0	7
06/23vATLW	W	2.0	0	0	0	3	0	22
06/22vATLW	SV	1.0	1	0	1	2	0	20
06/20@TEXW	SV	1.0	1	0	0	2	0	21
06/14@BALW	SV	1.1	0	0	0	3	0	18
06/09vCINL		1.0	0	0	0	2	0	14
06/08vCINW		1.0	0	0	0	3	0	19
06/06vNYMW	SV	1.0	0	0	1	1	0	17
06/05vNYML		0.2	2	1	0	1	0	17
05/29@WSHW	SV	1.1	0	0	2	2	0	30
05/23vATHW	SV	1.0	0	0	0	2	0	13
05/19vLADL	L	0.2	0	0	1	0	0	22
05/18vLADW	SV	1.0	0	0	2	1	0	22
05/15@SEAW	SV	1.1	2	0	1	4	0	34
05/13@MILW	SV	1.0	1	0	0	2	0	20
05/09vSTLW	SV	1.1	0	0	2	4	0	29
05/06@SFW		1.0	0	0	0	2	0	13
05/03vCWSW	SV	1.0	1	0	0	3	0	15
04/29vCHCL		1.0	0	0	1	1	0	19
04/27vCHCW		1.0	3	2	0	1	0	21
04/25@AZW	SV	1.0	0	0	0	0	0	13
04/23@COLW	SV	1.0	1	0	0	0	0	7
04/19@LAAW	SV	1.0	0	0	0	2	0	13
04/18@LAAW	SV	1.0	1	0	1	2	0	20
04/16vSEAW	SV	1.0	0	0	0	3	0	14
04/14vSEAW	SV	1.0	0	0	0	1	0	15
04/10vCOLW	W	1.0	0	0	0	3	0	13
04/09vCOLW		1.0	0	0	0	3	0	10
04/08@PITW		1.0	0	0	0	2	0	10
04/05@BOSW	SV	1.0	0	0	0	3	0	12
04/04@BOSW	SV	1.0	0	0	0	3	0	11
04/01vSFW	SV	1.1	1	0	0	3	0	19
03/28vDETW	SV	1.0	0	0	1	2	0	18

Career by season

Season	G	GS	IP	ERA	WHIP	K	BB	HR	K/9	W-L	SV
2023ATH	10	6	33.1	3.78	1.20	38	16	2	10.26	0-3	0
2024ATH	55	0	65.0	2.49	0.88	104	21	6	14.40	2-2	28
2025ATH	38	0	38.1	3.76	1.02	59	18	4	13.85	1-2	20
2025SD	22	0	23.1	0.77	0.73	45	10	1	17.36	0-0	2
20252 teams	60	0	61.2	2.63	0.91	104	28	5	15.18	1-2	22
2026SD	66	0	70.0	1.67	0.90	129	26	3	16.59	5-2	38

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