marcelo mayer – Blogging the Red Sox
Marcelo Mayer identified by MLB Pipeline as Red Sox' best defensive prospect – Blogging the Red Sox
Red Sox promote top prospect Marcelo Mayer to Double-A Portland
On This Day - Page 67 — MI6 Community
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Marcelo Mayer already crown jewel of Red Sox farm system, Sports
MLB Draft First Round: Red Sox Take Marcelo Mayer
Red Sox promote top prospect Marcelo Mayer to Double-A Portland
Boston Red Sox Top Prospect Voting: Marcelo Mayer is the next big thing - Over the Monster
One Step Closer: Red Sox Promote Two Popular Prospects To Next Level
Red Sox Notes: Marcelo Mayer to make his Portland Sea Dogs debut, former teammate speaks about his leadership, more system promotions
What to know about Marcelo Mayer, the Red Sox' first-round draft pick - The Boston Globe