Red Sox prospect Marcelo Mayer drives in career-high 5 runs
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Red Sox prospect Marcelo Mayer hits first homer of season for
Red Sox top prospect Marcelo Mayer on fire for High-A Greenville
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Sea Dogs' Marcelo Mayer hits first Double-A homer
Red Sox top prospect Marcelo Mayer has best game since High-A call-up
Top Red Sox prospect Marcelo Mayer promoted to Double A after
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Top Red Sox prospect and fastest rising prospect both homer for