2021 MLB Draft profile: SS Marcelo Mayer is the Tigers' top target - Bless You Boys
Marcelo Mayer drafted No. 4 by Red Sox in MLB Draft
MLB Draft 2021: A scouting report on Boston Red Sox pick Marcelo Mayer - Over the Monster
Marcelo Mayer SS Scouting Report: 2021 MLB Draft • Prospects Worldwide
Marcelo Mayer SS Scouting Report: 2021 MLB Draft • Prospects Worldwide
Marcelo Mayer Baseball Trading Card Database
MLB Draft 2021: Boston Red Sox take Marcelo Mayer with fourth overall pick - Over the Monster
2021 MLB Draft Scouting Report: SS Marcelo Mayer - Lookout Landing
2021 MLB Draft Scouting Report: SS Marcelo Mayer - Lookout Landing
287 Marcelo Mayer Photos & High Res Pictures - Getty Images
2021 MLB Draft: Marcelo Mayer headlines eight high school shortstops taken in first round
Marcelo Mayer Headed for 2021 MLB Draft - ITG Next
Marcelo Mayer Baseball Trading Card Database
Marcelo Mayer Baseball Trading Card Database
Marcelo Mayer 2021 MLB Draft Profile - Last Word On Baseball