Boston Red Sox To Send Three Top Prospects, Including Marcelo

Boston Red Sox prospect watch: Marcelo Mayer leads pack of promotions

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

Red Sox prospects form close relationships in Double-A Portland

Marcelo Mayer (SS), Top Prospects for the Boston Red Sox Has Just Been Promoted From High A to Double A : r/baseball

Red Sox prospects perform well, show off custom cleats at Futures Game

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

MLB Notebook: Taking a look at the prospects Red Sox might be willing to move this winter

Three Red Sox prospects land in Baseball America's Top 100 – NBC Sports Boston