Marcelo Mayer is the biggest Red Sox prospect to hit Portland in a decade. Catch him while you can. – The Portland Phoenix

Red Sox top prospect Marcelo Mayer promoted to Double A Portland after tearing it up throughout the month - The Boston Globe

Marcelo Mayer wasn't supposed to be there for the Red Sox at No. 4, but the MLB Draft had other plans - The Boston Globe

Red Sox top prospect Marcelo Mayer promoted to Double A Portland after tearing it up throughout the month - The Boston Globe

Boston Red Sox Top Prospect Voting: Marcelo Mayer is the next big thing - Over the Monster

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

Red Sox No. 1 Prospect Marcelo Mayer Promoted to Portland

Red Sox promote top prospect Marcelo Mayer to Sea Dogs

Red Sox prospects besides Marcelo Mayer impressing in Portland

Red Sox Prospect Marcelo Mayer Fitting In Since Portland Promotion