Scouting Report: Miles Mastrobuoni
Seattle Mariners | 3B
Overall
Summary
Spencer Miles, a 25-year-old Rule 5 pick for the Toronto Blue Jays, is being given a significant opportunity to pitch in a bulk role (either as a starter or behind an opener) while the team's primary starters Shane Bieber and Max Scherzer recover from injuries. Miles recently threw a season-high 3.2 innings and 56 pitches against the Detroit Tigers on Saturday, May 16, 2026. Manager John Schneider emphasized the importance of consistency in Miles' role to avoid moving him back and forth between positions.
Strengths
- Receiving significant opportunity in bulk role during injury crisis
- Recently threw season-high 3.2 innings showing increased workload capacity
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