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 promote top prospect Marcelo Mayer to Double-A Portland
Watch Red Sox Top Prospect Blast 13th Home Run Of Year
Red Sox promote top prospect Marcelo Mayer to Double-A Portland
marcelo mayer – Blogging the Red Sox
Red Sox Rumors: Top Prospect Marcelo Mayer Promoted To Double-A
Red Sox to promote top prospect Marcelo Mayer to Double-A Portland on Tuesday
marcelo mayer – Blogging the Red Sox
Stay Zero Podcast –ZERO FOXTROT
How Marcelo Mayer's journey led him to 'best scenario' with Red Sox
Red Sox Rumors: Top Prospect Marcelo Mayer Promoted To Double-A
Red Sox promote top prospect Marcelo Mayer to Double-A Portland