Red Sox to promote top prospect Marcelo Mayer to Double-A Portland

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Red Sox promote top prospect Marcelo Mayer to Double-A

Marcelo Mayer among five Red Sox prospects on Baseball America top

The wait is over, Sea Dogs fans. The Marcelo Mayer era has arrived

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Red Sox promote top prospect Marcelo Mayer to Double-A Portland

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Boston Red Sox promote prospect Marcelo Mayer to Double-A

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