How did Red Sox top prospect Marcelo Mayer fare in first full pro season? – Blogging the Red Sox
Marcelo Mayer, Boston Red Sox 2021 first-round pick, walks three times in professional debut in FCL
Top Red Sox prospect Marcelo Mayer is tearing up the minors and drawing rave reviews - The Boston Globe
On This Day - Page 67 — MI6 Community
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On This Day - Page 67 — MI6 Community
Red Sox's Marcelo Mayer On Pace To Become No. 1 Prospect In MLB Next Season - Sports Illustrated Inside The Red Sox
Red Sox to promote top prospect Marcelo Mayer to Double-A Portland on Tuesday
Red Sox top prospect Marcelo Mayer takes liftoff amid struggles
Red Sox top prospect Marcelo Mayer on fire for High-A Greenville – NBC Sports Boston
Top-Ranked Red Sox Prospect Marcelo Mayer Hits Game-Deciding Homer
Red Sox Prospect Report: Marcelo Mayer Showing More Power
Top Red Sox prospect records first 3 hits since promotion to Portland
On This Day - Page 67 — MI6 Community
Red Sox first-round draft pick Marcelo Mayer wants to sign 'as soon as possible' - The Boston Globe
Here's How Red Sox Prospect Marcelo Mayer Did In Professional Debut
Six Things To Know About Red Sox First-Round Draftee Marcelo Mayer
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