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Miles Mastrobuoni

#21
3B · L/R · MLB · ACTIVE: 2022–PRESENT Birthdate: October 31, 1995 BORN: SAN RAMON, USA
Seattle Mariners
Featured MLB Transactions 2026-07-09: Anthony Banda and Brandon Woodruff
WBC 2026
Career
97 H · 2 HR · 22 RBI · 23 SB
.228 AVG · .564 OPS · 208 G
2026 Season
.192 AVG · 0 HR · 1 RBI · 1 SB
.241 OBP · .192 SLG · .434 OPS
Last 30 Days
.158 AVG · 0 HR · 1 RBI · 1 SB
.227 OBP · .158 SLG · .385 OPS
Salary / Contract
2026: $792,300
View Details →
2026 Salary Note Miles Mastrobuoni's 2026 salary is $792,300. Salary History →
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Where History Is Kept. This page is part of a living baseball archive.

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Miles Mastrobuoni is a third baseman for the Seattle Mariners. Across 208 MLB games, with a .228 batting average and 2 home runs. This page covers season stats, team history, salary history, and related info.

Deep Data

Full Career Record

Season-by-season performance, contract terms, and the complete archive.

Season-by-Season Batting
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Year Team G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS
2022 TB 8 16 1 3 0 0 0 0 1 1 6 .188 .235 .188 .423
2023 CHC 61 133 24 32 5 0 1 5 13 13 32 .241 .308 .301 .609
2024 CHC 50 98 9 19 3 0 0 4 2 7 17 .194 .245 .224 .470
2025 SEA 76 152 20 38 4 0 1 12 6 17 29 .250 .324 .296 .620
2026 SEA 13 26 3 5 0 0 0 1 1 2 10 .192 .241 .192 .434
Career Totals — 208 425 57 97 12 0 2 22 23 40 94 .228 .293 .271 .564
Season-by-Season Pitching
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Year Team W L ERA G GS SV IP H ER BB SO WHIP
2023 CHC 0 0 108.00 1 0 0 0.1 4 4 0 0 12.00
2025 SEA 0 0 0.00 1 0 0 1.0 1 0 2 0 3.00
Career Totals — 0 0 27.00 2 0 0 1.1 5 4 2 0 5.25
Salary & Contract
Year Salary
2023$720,500
2024$746,000
2025$768,000
2026$792,300

Career Total: $3,026,800 (4 seasons)

Average: $756,700

Salary data is available from 1985 onward.

TGN salary figures show base salary. Signing bonuses, accounting allocations, and luxury-tax values are listed separately where available.

Contract Detail

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Game Log — Recent
Date Opp Result ABH2B3BHRRBIBBKSB
Jul 12 @ TB 8-2 W 0 0 0 0 0 0 0 0 0
Jul 11 @ TB 1-6 L 1 0 0 0 0 0 0 0 0
Jul 10 @ TB 2-7 L 2 0 0 0 0 0 0 0 0
Jul 7 @ MIA 5-6 L 0 0 0 0 0 0 0 0 0
Jul 4 vs TOR 11-0 W 0 0 0 0 0 0 0 0 0
Jun 18 vs BAL 3-0 W 3 1 0 0 0 0 0 1 0
Jun 17 vs BAL 3-5 L 3 1 0 0 0 0 0 2 0
Jun 16 vs BAL 3-1 W 1 0 0 0 0 0 1 1 0
Jun 14 @ WSH 1-10 L 3 0 0 0 0 0 0 1 0
Jun 13 @ WSH 3-8 L 3 0 0 0 0 0 1 1 1
Splits (2026)
SplitGABHHRRBIAVGOPS
vs LHP 0 3 0 0 0 .000 .000
vs RHP 0 23 5 0 0 .217 .487
Home 0 7 2 0 0 .286 .661
Away 0 19 3 0 0 .158 .348
Day 0 10 1 0 0 .100 .282
Night 0 16 4 0 0 .250 .528
Data: Lahman Baseball Database (CC BY-SA 4.0), Cot's Baseball Contracts, Retrosheet.