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

Boston Red Sox Promoting Top Prospect to Next Level - Fastball

Marcelo Mayer is not the only Sox prospect thriving in Portland

Red Sox No. 1 Prospect Marcelo Mayer Promoted to Portland

Boston Red Sox Top 46 Prospects

Top Red Sox prospect and fastest rising prospect both homer for Portland

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

Boston Red Sox promote pitching prospect Brandon Walter (68 Ks, 3 walks) to WooSox; Marcelo Mayer returns from injury

Drive's Mayer promoted to Double A

How Red Sox prospect Marcelo Mayer made it to All-Star Futures Game

Red Sox Rumors: Easy free agent target, Marcelo Mayer mashing, Tanner Houck shuffle