Red Sox: Marcelo Mayer surprisingly falls to No. 4 in MLB Draft
Boston Red Sox's Marcelo Mayer ranked No. 9 prospect on MLB
Red Sox First-Round Draft Pick Marcelo Mayer Grew Up Rooting For
Marcelo Mayer holds key to Chaim Bloom's entire Red Sox rebuild
🌟2021 Marcelo Mayer Pro Set Draft Rookie 1st Graded 10 Boston Red
Mayer, Yoshida headline 5 Red Sox prospects on BA's top 100 list
Present and future collide as Xander Bogaerts eagerly welcomes Red
Red Sox prospect Marcelo Mayer turned heads at the Futures Game
Red Sox sign No. 4 MLB Draft pick Marcelo Mayer as shortstop