Mr. Baseball 2021: Marcelo Mayer
Red Sox prospect Marcelo Mayer won't play again this season - The Boston Globe
MLB Draft 2021: Marcelo Mayer and Five Other Prospects to Watch - The New York Times
Boston Red Sox select Marcelo Mayer from Eastlake HS with the 4th pick of the 2021 MLB Draft
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MLB Draft 2021: Marcelo Mayer and Five Other Prospects to Watch - The New York Times
Marcelo Mayer - Wikipedia
2021 Leaf Draft #41 Marcelo Mayer XRC RC Rookie RC Rookie Baseball Trading Card : Collectibles & Fine Art
Marcelo Mayer leads four Red Sox on Baseball America's Top 100 prospects for 2022
Mr. Baseball 2023: Trent Caraway
How shortstop prospect Marcelo Mayer put himself on the fast track in the Red Sox system - The Boston Globe
Marcelo Mayer Card Sells for $132K - Dynes Pressbox
2022 Bowman Platinum Marcelo Mayer PLATINUM PORTFOLIOS Auto #22/50
Red Sox prospect guide: Marcelo Mayer
2022 Bowman Platinum MARCELO MAYER Top Prospect Auto /50 PPF-3
