Red Sox top prospect Mayer promoted to Double A Portland
Red Sox to promote top prospect Marcelo Mayer to Double-A Portland
NESN on Twitter: Red Sox top prospect Marcelo Mayer was happy to
Top Red Sox prospect Marcelo Mayer records first Double-A hits
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The wait is over, Sea Dogs fans. The Marcelo Mayer era has arrived
Red Sox promote top prospect Marcelo Mayer to Double-A
Drive's Mayer promoted to Double A
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Red Sox prospect Marcelo Mayer out for rest of 2023
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Alex Cora 'excited' for Red Sox top prospect Marcelo Mayer; 'He's