Red Sox top prospect Marcelo Mayer promoted to Double-A - CBS Boston
Red Sox prospects form close relationships in Double-A Portland
Red Sox Marcelo Mayer or Yankees Anthony Volpe
Mayer, Yoshida headline 5 Red Sox prospects on BA's top 100 list
Red Sox promote top prospect Marcelo Mayer to Double-A
The Red Sox Prospects Report - Part Two - Over the Monster
Marcelo Mayer, top MLB Draft 2021 pick, may be the best Boston Red
First-round pick Marcelo Mayer signs with Red Sox, gets a Fenway
Prospect Report: Red Sox's Mayer Caps a Great Week — College
Marcelo Mayer already crown jewel of Red Sox farm system
Three Red Sox prospects land in Baseball America's Top 100 – NBC
Red Sox Prospect Marcelo Mayer Has a Simple Approach and a High
Eastlake grad Marcelo Mayer drafted by Boston Red Sox
Red Sox prospect Marcelo Mayer drives in career-high 5 runs