How Red Sox prospect Marcelo Mayer made it to All-Star Futures Game
Red Sox prospects form close relationships in Double-A Portland
Tag: Marcelo Mayer – NBC Sports Boston
Marcelo Mayer among three Red Sox prospects named to roster for All-Star Futures Game - The Boston Globe
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Marcelo Mayer
Marcelo Mayer wears custom Fenway cleats during 2023 MLB Futures Game
Marcelo Mayer Archives
Red Sox prospect Marcelo Mayer's custom cleats at Futures Game - ESPN