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Boston Red Sox's Marcelo Mayer ranked No. 9 prospect on MLB
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Boston Red Sox Top 46 Prospects
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Red Sox Prospect Outlook: Marcelo Mayer Destined For Stardom?
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Red Sox Top prospect Marcelo Mayer may get called-up to Boston
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Boston Red Sox - With the 4th pick in the 2021 #MLBDraft
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Boston Red Sox prospect watch: Marcelo Mayer erupts : r/redsox
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Prospect Spotlight: Marcelo Mayer, SS, Boston Red Sox - The
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2022 Bowman Prospects #BP126 Marcelo Mayer Rookie Card RC
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McAdam: Red Sox take high school SS Marcelo Mayer with No. 4 pick
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Red Sox draft top high school shortstop Marcelo Mayer with No. 4 pick
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San Diegans Marcelo Mayer, Spencer Jones focus on the present as
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Boston Red Sox Top Prospects: FCL Season Review - Over the Monster
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How Red Sox' Top 10 prospects fared in 2023 – NBC Sports Boston
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Why can no one agree on how good Red Sox SS Marcelo Mayer could be
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Marcelo Mayer Stats & Scouting Report — College Baseball, MLB