First-round pick Marcelo Mayer signs with Red Sox, gets a Fenway welcome - The Boston Globe
Marcelo Mayer Reflects On Red Sox Spring Training Experience
How shortstop prospect Marcelo Mayer put himself on the fast track in the Red Sox system - The Boston Globe
Red Sox prospect Marcelo Mayer won't play again this season - The Boston Globe
Boston Red Sox News: The Shortstops of Offseason Present and Future - Over the Monster
Bogaerts' future with Sox? It's complicated, Sports
Red Sox Minor League roundup June 4
Marcelo Mayer continues climb in MLB's Top 100 prospect rankings
Red Sox have top-10 farm system in MLB, per Baseball America – NBC Sports Boston
Boston Red Sox minor league players - Wikipedia
Marcelo Mayer, Red Sox top prospect, is tearing up the minor leagues