Boston Red Sox promote top prospect Marcelo Mayer to High-A

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

Boston Red Sox minor league players - Wikipedia

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

Marcelo Mayer: Breaking News, Rumors & Highlights

Red Sox August all-minors team: Marcelo Mayer shut down, Kyle Teel arrives with a bang - The Athletic

Red Sox promote top prospect Marcelo Mayer to Double-A

Boston Red Sox: Marcelo Mayer hits first career professional home run

Red Sox promote top prospect Marcelo Mayer to Double-A Portland

Four Red Sox prospects crack Baseball America's new Top 100 list – NBC Sports Boston