Prospect Report: Louisville's Bats Live Up To Their Name — College Baseball, MLB Draft, Prospects - Baseball America
Boston Red Sox Top Prospects: Marcelo Mayer leads Baseball America top 10 list - Over the Monster
Baseball America — College Baseball, MLB Draft, Prospects - Baseball America
2022 MLB Draft Instant Analysis, Full Scouting Reports For Every First-Round Pick — College Baseball, MLB Draft, Prospects - Baseball America
Mayer, Yoshida headline 5 Red Sox prospects on BA's top 100 list
Marcelo Mayer (b. 2002) News — College Baseball, MLB Draft, Prospects - Baseball America
Red Sox have four players on Baseball America's Top 100 prospects list
Farm Report: Mayer bounces back after slow start at High-A
Marcelo Mayer wasn't supposed to be there for the Red Sox at No. 4, but the MLB Draft had other plans - The Boston Globe
Marcelo Mayer Stats & Scouting Report — College Baseball, MLB Draft, Prospects - Baseball America
Top 200 Draft Prospects list: A new No. 1
Marcelo Mayer Stats & Scouting Report — College Baseball, MLB Draft, Prospects - Baseball America