Mason Barnett

2026 seasonregular season

Bats/Throws: R/R
Height: 6' 0"
Weight: 218 lb
Age: 25
Born: Kennesaw, GA, USA
MLB debut: 2025-08-30
Drafted: 2022

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

96overall

Slider124
Sweeper115
Curveball91
Four-seam fastball88
Changeup87

Pitching

Season	G	GS	IP	ERA	WHIP	K	BB	HR	K/9	W-L	SV
2026	20	6	50.0	7.02	1.66	50	30	14	9.00	1-4	2

Last 10 games

Game	Dec	IP	H	ER	BB	K	HR	P
09/24vHOUL		6.0	4	4	2	8	2	87
09/18@CLEL		3.1	7	3	4	4	0	79
08/17@KCL	L	2.2	7	6	4	2	1	83
08/11vTBL	L	4.0	5	5	3	0	3	67
08/06@CINL	L	4.1	5	5	3	7	3	82
07/30vBOSL		5.0	4	3	1	6	0	73
07/25@MINL	L	3.1	4	2	1	2	0	54
07/10@CWSL		1.0	3	3	1	0	0	24
07/08@DETL		1.0	0	0	2	0	0	26
07/05vMIAL		2.0	3	2	0	0	2	32

Full 2026 game log (20 games)

Game	Dec	IP	H	ER	BB	K	HR	P
09/24vHOUL		6.0	4	4	2	8	2	87
09/18@CLEL		3.1	7	3	4	4	0	79
08/17@KCL	L	2.2	7	6	4	2	1	83
08/11vTBL	L	4.0	5	5	3	0	3	67
08/06@CINL	L	4.1	5	5	3	7	3	82
07/30vBOSL		5.0	4	3	1	6	0	73
07/25@MINL	L	3.1	4	2	1	2	0	54
07/10@CWSL		1.0	3	3	1	0	0	24
07/08@DETL		1.0	0	0	2	0	0	26
07/05vMIAL		2.0	3	2	0	0	2	32
07/03vMIAL		2.0	3	4	2	2	2	45
06/27@LAAL		0.2	1	0	0	0	0	7
06/25@SFW	SV	1.0	0	0	0	1	0	13
06/23@SFL		1.0	1	1	2	3	0	25
06/18vLAAW		1.0	1	0	1	1	0	30
06/15vPITW		2.0	2	1	0	1	1	32
06/12vCOLW	W	1.2	1	0	0	1	0	12
06/09vMILW	SV	2.0	0	0	0	4	0	31
06/05@HOUL		4.0	1	0	2	7	0	64
04/19vCWSL		2.0	1	0	2	1	0	43

Career by season

Season	G	GS	IP	ERA	WHIP	K	BB	HR	K/9	W-L	SV
2025ATH	5	5	22.1	6.85	1.66	18	11	3	7.25	1-1	0
2026ATH	20	6	50.0	7.02	1.66	50	30	14	9.00	1-4	2

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