Marcelo Mayer is the biggest Red Sox prospect to hit Portland in a decade. Catch him while you can. – The Portland Phoenix
Red Sox shut down top prospect Mayer, Red Sox
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Red Sox shut down top prospect Mayer, Red Sox
Red Sox top prospect Marcelo Mayer promoted to Double A Portland
Red Sox top prospect Marcelo Mayer promoted to Double A Portland
Top Red Sox prospect Marcelo Mayer records first Double-A hits
Red Sox to promote top prospect Marcelo Mayer to Double-A
Red Sox top prospect Marcelo Mayer promoted to Double A Portland
Red Sox top prospect Marcelo Mayer homers in back to back games in
How did Red Sox top prospect Marcelo Mayer fare in first full pro
Red Sox top prospect Marcelo Mayer has arrived in Portland