Mariners Utility Man Mastrobuoni Injured in WBC, Returning to Spring Training

The 30-year-old suffered a calf injury while playing for Italy in the World Baseball Classic.

Published on Mar. 11, 2026

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Seattle Mariners utility player Miles Mastrobuoni has been injured while playing for Team Italy in the World Baseball Classic. According to reports, Mastrobuoni suffered a calf injury and is now returning to the Mariners' spring training camp in Arizona earlier than planned.

Why it matters

Mastrobuoni was expected to be a key part of the Mariners' roster this season, providing versatility and depth. His injury could impact the team's plans and depth heading into the regular season.

The details

Mastrobuoni, who appeared in 76 games for the Mariners in 2025, was playing in his second WBC tournament for Italy. He had gone 2-for-3 with an RBI double and a walk in his three games before suffering the calf injury. The Mariners now have 15 days until their season opener against the Cleveland Guardians.

  • Mastrobuoni was injured while playing for Italy in the 2026 World Baseball Classic.
  • The Mariners have 15 days until their season opener on March 26, 2026.

The players

Miles Mastrobuoni

A 30-year-old utility player for the Seattle Mariners who was injured while playing for Italy in the 2026 World Baseball Classic.

Seattle Mariners

The Major League Baseball team that Mastrobuoni plays for, based in Seattle, Washington.

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What’s next

The Mariners will monitor Mastrobuoni's recovery and determine if he will be ready for the start of the regular season.

The takeaway

Mastrobuoni's injury is a setback for the Mariners, who were counting on his versatility and depth this season. The team will need to adjust their plans and find ways to fill his role until he is able to return to the lineup.