Marcelo Mayer is killing it in the minors! : r/redsox
Marcelo Mayer launches go-ahead home run for Red Sox' High-A affiliate
Top Red Sox prospect Marcelo Mayer is tearing up the minors and drawing rave reviews - The Boston Globe
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Marcelo Mayer launches go-ahead home run for Red Sox' High-A affiliate
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Marcelo Mayer is killing it in the minors! : r/redsox
Marcelo Mayer is killing it in the minors! : r/redsox