Red Sox Prospect Outlook: Marcelo Mayer Destined For Stardom?
Red Sox Prospect Wearing Cleats With Real Pieces of Fenway Park in Them at MLB Futures Game - Sports Illustrated
Marcelo Mayer is killing it in the minors! : r/redsox
Boston Red Sox top-30 prospect rankings after the 2021 season
Tom Caron Sits Down With Red Sox First-Round Draft Pick Marcelo Mayer
marcelo mayer – Page 3 – Blogging the Red Sox
Batting Around: Will Yankees or Red Sox get back to the playoffs first?
First-round pick Marcelo Mayer signs with Red Sox, gets a Fenway welcome - The Boston Globe
Red Sox sign first-round pick Marcelo Mayer – Blogging the Red Sox
Red Sox top prospect Marcelo Mayer has arrived in Portland
Red Sox sign No. 4 MLB Draft pick Marcelo Mayer as shortstop reportedly gets $6.6 million bonus
2021 MLB Draft: Red Sox first-round pick Marcelo Mayer quickly ditches Yankees allegiance
Marcelo Mayer already crown jewel of Red Sox farm system, Sports
Red Sox' Marcelo Mayer vaults into top five on MLB's Top 100 Prospects list – NBC Sports Boston