Marcelo Mayer ready for next step at Red Sox camp
Boston Red Sox Insider Discusses Marcelo Mayer's Major League Timeline - Fastball
Marcelo Mayer ready for next step at Red Sox camp
Red Sox top prospect Marcelo Mayer off to quick start with Low-A Salem – Blogging the Red Sox
Eastlake's Marcelo Mayer: The Six Million Dollar Man
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Boston Red Sox top prospect Marcelo Mayer belts first professional homer, drives in four runs in FCL game
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Red Sox Prospect Outlook: Marcelo Mayer Destined For Stardom?