Top Red Sox pick Marcelo Mayer homers in second straight
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Red Sox promote top prospect Marcelo Mayer to Double-A Portland
Marcelo Mayer is the biggest Red Sox prospect to hit Portland in a
Red Sox top prospect Marcelo Mayer promoted to Double A Portland
McFarling: Top Red Sox prospect always on his grind
How Marcelo Mayer became a scouting impossible dream come true
Marcelo Mayer, Boston Red Sox 2021 first-round pick, walks three
Red Sox top prospect Marcelo Mayer promoted to Double A Portland
Top Red Sox prospect and fastest rising prospect both homer for
Marcelo Mayer is the biggest Red Sox prospect to hit Portland in a
Top Red Sox prospect Marcelo Mayer records first Double-A hits