Red Sox promote top prospect Marcelo Mayer to High A Greenville - The Boston Globe
Red Sox prospect Marcelo Mayer drives in career-high 5 runs
Marcelo Mayer - Wikipedia
Red Sox prospects Marcelo Mayer, Miguel Bleis impress in spring training
Red Sox prospect guide: Marcelo Mayer
Marcelo Mayer's two-hit game, 05/19/2023
San Diegans Marcelo Mayer, Spencer Jones focus on the present as they head to MLB Futures Games - The San Diego Union-Tribune
Marcelo Mayer Stats & Scouting Report — College Baseball, MLB Draft, Prospects - Baseball America
Red Sox Prospect Outlook: Marcelo Mayer Destined For Stardom?