Miles Mastrobuoni, now with the Mariners after being traded from the Cubs, has struggled offensively with a career batting average of .219 and hit just .194 in 2024. At 29, he is expected to compete for playing time at second and third base, filling a need for the Mariners as they look for infield depth. His left-handed hitting could provide additional lineup flexibility for manager Dan Wilson.

Miles Mastrobuoni, acquired by the Seattle Mariners from the Chicago Cubs, is a versatile infielder with the ability to play multiple positions, including second base, third base, shortstop, and corner outfield. Last season, he struggled at the plate, hitting .194 with four RBIs in 50 games. Mastrobuoni has a career batting average of .219, with one home run, nine RBIs, and 16 stolen bases in 118 major league games since making his debut with Tampa Bay in 2022.