2022 Bowman Platinum MARCELO MAYER Top Prospect Auto /50 PPF-3
2021 MLB Draft Scouting Report: SS Marcelo Mayer - Lookout Landing
5 things to know about Red Sox shortstop Marcelo Mayer
2021 MLB Draft profile: SS Marcelo Mayer is the Tigers' top target - Bless You Boys
Red Sox top prospect Marcelo Mayer is 'eager to take his game to the next level' – Blogging the Red Sox
5 things to know about Red Sox shortstop Marcelo Mayer
Baseball America 2021 MLB Staff Draft — College Baseball, MLB Draft, Prospects - Baseball America
Marcelo Mayer SS Scouting Report: 2021 MLB Draft • Prospects Worldwide
Carlos Collazo 2021 MLB Draft Prospects Chat (Subscriber Exclusive) — College Baseball, MLB Draft, Prospects - Baseball America
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