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Sox Shorts: Marcelo Mayer Signing Day at Fenway Park
MARCELO MAYER SIGNED 8X10 PHOTO (JSA AUTHENTICATED).
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MARCELO MAYER SIGNED 8X10 PHOTO AUTOGRAPH RED SOX BASEBALL JSA BOSTON AUTO
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Marcelo Mayer Signed Autographed OMLB Baseball Red Sox TriStar COA
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Boston Red Sox Autographed Baseball Memorabilia
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Marcelo Mayer launches go-ahead home run for Red Sox' High-A affiliate
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Marcelo Mayer Signed Red Sox 8x10 Photo (JSA)
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MARCELO MAYER FCL RED SOX 2022 TOPPS HERITAGE MINOR LEAGUE SP CARD
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MLB – Diamond Legends Online
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Boston Red Sox Memorabilia – Super Sports Center
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MLB Draft 2021: A scouting report on Boston Red Sox pick Marcelo
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Fanatics Authentic Marcelo Mayer Boston Red Sox Autographed Baseball