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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Red Sox promote top prospect Marcelo Mayer to Double-A
Drive's Mayer promoted to Double A
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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Red Sox top prospect Marcelo Mayer promoted to Double A Portland after tearing it up throughout the month - The Boston Globe