Marcelo Mayer Card Sells for $132K - Dynes Pressbox
2021 MLB Draft Scouting Report: SS Marcelo Mayer - Lookout Landing
Marcelo Mayer 2021 Bowman Draft Night #BDN6 Boston Red Sox
First-round pick Marcelo Mayer signs with Red Sox, gets a Fenway
Baseball Factory, Player Page
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Marcelo Mayer already crown jewel of Red Sox farm system
2021 MaxPreps All-America Team: Louisiana pitcher Jack Walker
Red Sox top prospect Marcelo Mayer is 'eager to take his game to