How did Red Sox top prospect Marcelo Mayer fare in first full pro season? – Blogging the Red Sox
Red Sox first-round draft pick Marcelo Mayer wants to sign 'as soon as possible' - The Boston Globe
Red Sox prospects Marcelo Mayer, Miguel Bleis impress in spring training
McFarling: Top Red Sox prospect always on his grind
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Boston Red Sox news: Why No. 1 pick Marcelo Mayer is a special talent
Red Sox Rumors: Top Prospect Marcelo Mayer Promoted To Double-A
Red Sox's Marcelo Mayer On Pace To Become No. 1 Prospect In MLB Next Season - Sports Illustrated Inside The Red Sox
Top-Ranked Red Sox Prospect Marcelo Mayer Hits Game-Deciding Homer
Boston Red Sox Promoting Top Prospect to Next Level - Fastball
Boston Red Sox Insider Discusses Marcelo Mayer's Major League Timeline - Fastball
Boston Red Sox Top Prospect Voting: Marcelo Mayer is the next big thing - Over the Monster
How shortstop prospect Marcelo Mayer put himself on the fast track in the Red Sox system - The Boston Globe
2021 MLB Draft: Red Sox first-round pick Marcelo Mayer quickly ditches Yankees allegiance
Here's How Red Sox Prospect Marcelo Mayer Did In Professional Debut
Watch Red Sox Top Prospect Blast 13th Home Run Of Year
Six Things To Know About Red Sox First-Round Draftee Marcelo Mayer