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Jackson Holliday, Marcelo Mayer Highlight All-Star Futures Game Rosters
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Marcelo Mayer 2021 Bowman Draft Base #BD-174 Price Guide - Sports Card Investor
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Red Sox promote top prospect Marcelo Mayer to Portland Sea Dogs
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Marcelo Mayer Clobbers a Solo Home Run!, Boston Red Sox Prospect
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Red Sox prospect guide: Marcelo Mayer
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The wait is over, Sea Dogs fans. The Marcelo Mayer era has arrived
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Predicting Red Sox top prospect Marcelo Mayer's timeline to the majors
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Boston Red Sox Top Prospects: FCL Season Review - Over the Monster
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MLB top prospect ranking: Red Sox's Marcelo Mayer ranked just outside top 10
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2023 Bowman Chrome Marcelo Mayer Modern Prospects Insert #MP-19 Boston Red Sox
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Yankees' Anthony Volpe, Red Sox' Marcelo Mayer headline 2023 MLB top SS prospects
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Red Sox' Marcelo Mayer vaults into top five on MLB's Top 100 Prospects list – NBC Sports Boston
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How did Red Sox top prospect Marcelo Mayer fare in first full pro season? – Blogging the Red Sox
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Red Sox No. 1 Prospect Marcelo Mayer Promoted to Portland