Red Sox prospect Marcelo Mayer's custom cleats at Futures Game - ESPN
Four Red Sox prospects crack Baseball America's new Top 100 list
First look at Marcelo Mayer at Fenway Park
Red Sox' Marcelo Mayer vaults into top five on MLB's Top 100
2021 MLB Draft: Red Sox first-round pick Marcelo Mayer quickly
Boston Red Sox select Marcelo Mayer from Eastlake HS with the 4th
Red Sox promote top prospect Marcelo Mayer to Double-A Portland
Boston Red Sox Insider Discusses Marcelo Mayer's Major League
Boston Red Sox top-30 prospect rankings after the 2021 season
MLB Trade Deadline: Where do Red Sox stand, and who could be moved?
Boston Red Sox officially sign No. 4 overall pick Marcelo Mayer
Marcelo Mayer is killing it in the minors! : r/redsox
First-round pick Marcelo Mayer signs with Red Sox, gets a Fenway