Red Sox promote top prospect Marcelo Mayer to Double-A

Red Sox prospect Marcelo Mayer won't play again this season - The Boston Globe

Red Sox No. 1 Prospect Marcelo Mayer Promoted to Portland

Red Sox promote top prospect Marcelo Mayer to Double-A

As Red Sox shut down Marcelo Mayer, rival prospects take off – NBC Sports Boston

Red Sox Top prospect Marcelo Mayer may get called-up to Boston

San Diegans Marcelo Mayer, Spencer Jones focus on the present as they head to MLB Futures Games - The San Diego Union-Tribune

Red Sox Notes: Marcelo Mayer to make his Portland Sea Dogs debut, former teammate speaks about his leadership, more system promotions

How shortstop prospect Marcelo Mayer put himself on the fast track in the Red Sox system - The Boston Globe

Red Sox to promote top prospects Roman Anthony, Kyle Teel to Double-A Portland

The Hottest MLB Prospects to Watch in July

Boston Red Sox place Marcelo Mayer on minor-league injured list - Over the Monster

Red Sox promoting No. 1 prospect Marcelo Mayer to Double-A