Marcelo Mayer Has Been Promoted to AA Portland
Red Sox to promote top prospect Marcelo Mayer to Double-A Portland
Prospects of the Week: May 1 - May 7
First-round pick Marcelo Mayer cherishes the moment at Fenway Park
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Marcelo Mayer Stats, Fantasy & News
Red Sox top prospect Marcelo Mayer promoted to Double-A - CBS Boston
Marcelo Mayer Stats, Fantasy & News
BREAKING* TOP RED SOX PROSPECT PROMOTED!!
Red Sox Top prospect Marcelo Mayer may get called-up to Boston
MLB Notebook: Miguel Bleis injury, WooSox' Shane Drohan learning
Boston Red Sox prospect watch: Marcelo Mayer erupts : r/redsox
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