Justin Martinez

2026 seasonregular season

Bats/Throws: R/R
Height: 6' 3"
Weight: 225 lb
Age: 25
Born: Bonao, Dominican Republic
MLB debut: 2023-07-07

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

113overall

Sinker123
Splitter109
Slider105
Four-seam fastball101

Pitching

Season	G	GS	IP	ERA	WHIP	K	BB	HR	K/9	W-L	SV
2026	15	0	13.1	2.03	1.13	18	10	0	12.15	3-1	0

Last 10 games

Game	Dec	IP	H	ER	BB	K	P
09/27@SDL	L	0.1	0	3	4	0	22
09/26@SDL		1.0	0	0	0	2	16
09/23@COLW	HLD	0.2	0	0	0	1	8
09/20vNYYW	W	1.0	0	0	0	2	12
09/19vNYYW		0.2	0	0	0	0	5
09/15vMIAL		1.0	1	0	0	1	10
09/14vMIAW		1.0	2	0	1	1	17
09/11vTEXW	HLD	1.0	0	0	0	3	9
09/07@KCW	W	1.0	0	0	1	1	20
09/04@HOUL		1.0	0	0	0	2	11

Full 2026 game log (15 games)

Game	Dec	IP	H	ER	BB	K	P
09/27@SDL	L	0.1	0	3	4	0	22
09/26@SDL		1.0	0	0	0	2	16
09/23@COLW	HLD	0.2	0	0	0	1	8
09/20vNYYW	W	1.0	0	0	0	2	12
09/19vNYYW		0.2	0	0	0	0	5
09/15vMIAL		1.0	1	0	0	1	10
09/14vMIAW		1.0	2	0	1	1	17
09/11vTEXW	HLD	1.0	0	0	0	3	9
09/07@KCW	W	1.0	0	0	1	1	20
09/04@HOUL		1.0	0	0	0	2	11
09/01vPHIL		1.0	1	0	1	1	21
08/29@SFL		0.2	0	0	1	2	25
08/25vCHCW	W	1.0	1	0	0	1	17
08/21vCINW		1.0	0	0	1	1	20
08/18@BOSL		1.0	0	0	1	0	19

Career by season

Season	G	IP	ERA	WHIP	K	BB	HR	K/9	W-L	SV
2023AZ	10	10.0	12.60	2.40	14	11	2	12.60	0-0	1
2024AZ	64	72.2	2.48	1.31	91	36	2	11.27	5-6	8
2025AZ	17	15.1	4.11	1.24	22	12	1	12.91	1-2	5
2026AZ	15	13.1	2.03	1.13	18	10	0	12.15	3-1	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.