2021 MLB Draft Scouting Report: SS Marcelo Mayer - Lookout Landing
MLB Draft 2021: A scouting report on Boston Red Sox pick Marcelo Mayer - Over the Monster
Red Sox draft top high school shortstop Marcelo Mayer with No. 4 pick
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MLB Draft 2021: Marcelo Mayer and Five Other Prospects to Watch - The New York Times
Watch: Eastlake shortstop Marcelo Mayer discusses his final at-bat and his time with the Titans
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MLB Draft 2021: Marcelo Mayer and Five Other Prospects to Watch - The New York Times
MLB Draft: Red Sox select SS Marcelo Mayer with No. 4 pick – NBC Sports Boston
MLB Mock Draft 2021 May 19
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Marcelo Mayer Stats, Fantasy & News