Seattle Mariners · LHB

#: 21
Team: SEA · 3B
Debut: 2022

Miles Mastrobuoni

Age 30

Contract Value $733,001/yr

Size 5' 9" · 185

Bats Left

From San Ramon, CA, USA

9G · 27 PA

2026-07-05 · T-Mobile Park

0.217

AVG

0.486

OPS

0

HR

1

RBI

0.269

OBP

0.217

SLG

Season snapshot

Season stats

AVG

0.217

OBP

0.269

SLG

0.217

OPS

0.486

HR

0

RBI

1

G

9

PA

27

wOBA

0.225

Barrel%

—

EV

—

Hard Hit%

—

K%

37.0%

BB%

7.4%

WAR

-0.2

Hits per game (last 8)

Avg 0.5 H / game

Season splits

vs L/R · Home/Away · RISP · 2026

vs Right

AVG0.182

OPS 0.422

Home

AVG0.286

OPS 0.661

Away

AVG0.188

OPS 0.410

vs Left

AVG1.000

OPS 2.000

Monthly form

Hot/cold streaks · 2026

OPS by month

Avg 0.243 OPS

Month	AVG	OPS	HR
Jun	0.217	0.486	0
Jul	0.000	0.000	0

Game log 2026

Date	Opponent	AB	H	HR	RBI	BB	K
Jul 4	Toronto Blue Jays	0	0	0	0	0	0
Jun 18	Baltimore Orioles	3	1	0	0	0	1
Jun 17	Baltimore Orioles	3	1	0	0	0	2
Jun 16	Baltimore Orioles	1	0	0	0	1	1
Jun 14	Washington Nationals	3	0	0	0	0	1
Jun 13	Washington Nationals	3	0	0	0	1	1
Jun 12	Washington Nationals	3	1	0	1	0	1
Jun 11	Baltimore Orioles	4	1	0	0	0	2
Jun 10	Baltimore Orioles	3	1	0	0	0	1

Batted ball profile

DirectionShare

Pull

33.3%

Center

60.0%

Oppo

6.7%

Pitch type performance

Mirror of pitcher pitch mix · 2026

4-S4-Seam Fastball

47.5%0.27310% whiff

CURCurveball

15.8%0.000100% whiff

SLISlider

14.9%0.00020% whiff

SINSinker

9.9%0.2500% whiff

CUTCutter

5.0%0.33350% whiff

SPLSplit-Finger

4.0%0.000100% whiff

Career trajectory

Year	Team	G	AVG	OBP	SLG	OPS	HR	RBI	WAR
2026	Seattle Mariners	9	0.217	0.269	0.217	0.486	0	1	—
2025	Seattle Mariners	76	0.250	0.324	0.296	0.620	1	12	—
2024	Chicago Cubs	50	0.194	0.245	0.224	0.469	0	4	—
2023	Chicago Cubs	61	0.241	0.308	0.301	0.609	1	5	—
2022	Tampa Bay Rays	8	0.188	0.235	0.188	0.423	0	0	—