MilesMastrobuoni

Seattle Mariners
#21
Third Baseman

HT/WT
5' 9", 185 lbs
Birthdate
10/31/1995 (30)
BAT/THR
Left/Right
Birthplace
San Ramon, CA
Status
Minors

Mariners

MLB

Mariners' Crawford, Miller starting season on IL

MLB

Bichette off Jays' ALCS roster; Woo back for M's

10M
Jorge Castillo

MLB

Cubs trade infielder Mastrobuoni to Mariners

Cubs

MLB

Cubs' Hoerner ends up on IL with hammy strain

Ohtani hits 102 mph, leads Japan into WBC semis

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MilesMastrobuoni

Mariners

MLB

Mariners' Crawford, Miller starting season on IL

MLB

Bichette off Jays' ALCS roster; Woo back for M's

MLB

Cubs trade infielder Mastrobuoni to Mariners

Cubs

MLB

Cubs' Hoerner ends up on IL with hammy strain

Ohtani hits 102 mph, leads Japan into WBC semis

Braves look to keep home win streak alive, host the Dodgers

Rockies bring 2-1 series advantage over Nationals into game 4

Orioles take on the Cardinals after Encarnacion-Strand's 4-hit game

Blue Jays play the Royals with series tied 1-1

Yankees and Astros play to determine series winner

2026 MLB ABS challenge system tracker: Team, player rankings