2021 Marcelo Mayer Leaf Draft Rookie 1st Graded 10 Boston Red Sox Prospect Card
Marcelo Mayer drafted No. 4 by Red Sox in MLB Draft
2023 MLB Draft: The Top 614 Prospects - Future Stars Series
MLB Draft First Round: Red Sox Take Marcelo Mayer
2021 MLB Draft profile: SS Marcelo Mayer is the Tigers' top target - Bless You Boys
MLB Draft 2021: A scouting report on Boston Red Sox pick Marcelo Mayer - Over the Monster
Red Sox Select Nine Players On Day Two of MLB Draft Monday
2021 MLB Draft: Red Sox select No. 1-ranked prospect Mayer, Local Sports
Marcelo Mayer drafted No. 4 by Red Sox in MLB Draft
Red Sox first-round pick Marcelo Mayer wants to sign 'as soon as possible'
ESNY's 2021 MLB Mock Draft
2021 MLB Draft: Red Sox first-round pick Marcelo Mayer quickly ditches Yankees allegiance
Could Red Sox take exciting shortstop prospect Marcelo Mayer with No. 4 pick in 2021 MLB Draft? – Blogging the Red Sox