Red Sox Prospect Marcelo Mayer Called Up To Portland Sea Dogs

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Shortstop Marcelo Mayer makes debut at Hadlock Field in 6-2 Sea

Red Sox promote top prospect Marcelo Mayer to Sea Dogs

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Red Sox Prospect Marcelo Mayer Called Up To Portland Sea Dogs

Sea Dogs prospect Mayer, 20, focused on pitch selection -- and

Red Sox top prospect Marcelo Mayer promoted to Double-A - CBS Boston

Marcelo Mayer is the biggest Red Sox prospect to hit Portland in a

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