First-round pick Marcelo Mayer signs with Red Sox, gets a Fenway welcome - The Boston Globe
Marcelo Mayer launches go-ahead home run for Red Sox' High-A affiliate
MLB Draft First Round: Red Sox Take Marcelo Mayer
Marcelo Mayer already crown jewel of Red Sox farm system, Sports
Watch Red Sox Top Prospect Blast 13th Home Run Of Year
Red Sox Notes: Marcelo Mayer to make his Portland Sea Dogs debut, former teammate speaks about his leadership, more system promotions
Top Red Sox prospect Marcelo Mayer is tearing up the minors and drawing rave reviews - The Boston Globe
Red Sox promote top prospect Marcelo Mayer to Double-A Portland
Boston Red Sox news: Why No. 1 pick Marcelo Mayer is a special talent
Red Sox Rumors: Top Prospect Marcelo Mayer Promoted To Double-A
On This Day - Page 67 — MI6 Community
Two years after being drafted, Marcelo Mayer remains on fast track to Red Sox stardom
Red Sox draft top high school shortstop Marcelo Mayer with No. 4 pick
marcelo mayer – Blogging the Red Sox
Red Sox top prospect Marcelo Mayer promoted to Double-A - CBS Boston