Marcelo Mayer / Blowout Buzz
First-round pick Marcelo Mayer signs with Red Sox, gets a Fenway welcome - The Boston Globe
Marcelo Mayer among five Red Sox prospects on Baseball America top 100 - Over the Monster
Boston Red Sox Marcelo Mayer baseball card auction
Marcelo Mayer Stats, Fantasy & News
2021 Bowman's Best #93 Marcelo Mayer Aqua Lava Refractor PSA 9 Boston Red Sox
Marcelo Mayer among five Red Sox prospects on Baseball America top 100 - Over the Monster
Marcelo Mayer Stats, Fantasy & News
Marcelo Mayer Stats, Fantasy & News
Marcelo Mayer Baseball Trading Card Database
2021 Marcelo Mayer 1st Bowman Chrome Aqua Refractor /199 Auto BGS 9 Red Sox
Predicting Red Sox top prospect Marcelo Mayer's timeline to the majors
Boston Red Sox select Marcelo Mayer from Eastlake HS with the 4th pick of the 2021 MLB Draft