Marcelo Mayer - Boston Red Sox Shortstop - ESPN
Red Sox Prospect Marcelo Mayer Tapped For All-Star Futures Game
Boston Red Sox Top Prospect Voting: Marcelo Mayer is the next big
Boston Red Sox Minor League Preview: Salem Red Sox - Over the Monster
Ranking the top 10 prospects in the Red Sox system heading into
Boston Red Sox Insider Discusses Marcelo Mayer's Major League
Top Red Sox pick Marcelo Mayer homers in second straight
Boston Red Sox promote pitching prospect Brandon Walter (68 Ks, 3
Matthew Nesto (@mnest9) / Twitter
ESPNBoston on Twitter: Red Sox prospect Marcelo Mayer includes
Matthew Nesto (@mnest9) / Twitter
Marcelo Mayer - Boston Red Sox Shortstop - ESPN
First-round pick Marcelo Mayer signs with Red Sox, gets a Fenway
Two Red Sox Prospects Land On ESPN's 2022 Midseason Top 50 List