Predicting Red Sox top prospect Marcelo Mayer's timeline to the majors
Marcelo Mayer is the biggest Red Sox prospect to hit Portland in a decade. Catch him while you can. – The Portland Phoenix
Boston Red Sox officially sign No. 4 overall pick Marcelo Mayer for $6.64M; shortstop took BP, did infield drills with big-league team Thursday
Marcelo Mayer already crown jewel of Red Sox farm system, Sports
Red Sox Prospect Outlook: Marcelo Mayer Destined For Stardom?
Boston Red Sox view Marcelo Mayer as an 'impact shortstop' as he continues to grow; 'He moves with such loose, comfortable action'
MLB Draft 2021: A scouting report on Boston Red Sox pick Marcelo Mayer - Over the Monster
Red Sox draft top high school shortstop Marcelo Mayer with No. 4 pick
Marcelo Mayer Stats, Fantasy & News