MLB Draft 2021: Marcelo Mayer and Five Other Prospects to Watch - The New York Times
Red Sox Prospect Outlook: How High Can Marcelo Mayer Climb In 2022?
2021 MLB Draft Scouting Report: SS Marcelo Mayer - Lookout Landing
Marcelo Mayer, top MLB Draft 2021 pick, may be the best Boston Red Sox prospect - Over the Monster
marcelo mayer – Blogging the Red Sox
MARCELO MAYER 2021 BOWMANS BEST PROSPECT
Red Sox's Top Prospect Marcelo Mayer Draws MVP Comparison As Stock Rises - Sports Illustrated Inside The Red Sox
Top Shortstop Prospects
2021 MLB Draft: Red Sox first-round pick Marcelo Mayer quickly ditches Yankees allegiance
MLB 21 The Show CAP – SS Marcelo Mayer – Sports Gaming Rosters