Red Sox top prospect Marcelo Mayer promoted to Double A Portland after tearing it up throughout the month - The Boston Globe
How Red Sox Top Prospect Marcelo Mayer Fared In Double-A Debut
SoxProspects.com
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Red Sox Top prospect Marcelo Mayer may get called-up to Boston
Red Sox top prospect Marcelo Mayer promoted to Double A Portland after tearing it up throughout the month - The Boston Globe
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