2021 MLB Draft profile: SS Marcelo Mayer is the Tigers' top target - Bless You Boys
Marcelo Mayer is killing it in the minors! : r/redsox
Red Sox prospect Marcelo Mayer's custom cleats at Futures Game - ESPN
Marcelo Mayer's nice play, 06/03/2023
Jackson Holliday, Marcelo Mayer Highlight All-Star Futures Game Rosters
Marcelo Mayer 2021 Bowman Draft Chrome - Gold Refractor #BDC-174 Price Guide - Sports Card Investor
MLB prospects guru takes Red Sox prospect over Yankees' Anthony Volpe
Red Sox prospect Marcelo Mayer out for rest of 2023
Marcelo Mayer
Red Sox promote top prospect Marcelo Mayer to High A Greenville - The Boston Globe
Predicting Red Sox top prospect Marcelo Mayer's timeline to the majors
The wait is over, Sea Dogs fans. The Marcelo Mayer era has arrived