Marcelo Mayer, top MLB Draft 2021 pick, may be the best Boston Red Sox prospect - Over the Monster
SoxProspects News: Red Sox Select Marcelo Mayer with the fourth overall pick
Boston Red Sox To Send Three Top Prospects, Including Marcelo Mayer, to All-Star Futures Game - Fastball
Red Sox prospect Marcelo Mayer hits first homer of season for Greenville Drive
Red Sox promote top prospect Marcelo Mayer to Double-A Portland
2021 MLB Draft Scouting Report: SS Marcelo Mayer - Lookout Landing
Triston Casas, Marcelo Mayer lead Boston Red Sox 2022 top 15 prospect list; Nick Yorke ranks No. 3
Red Sox top prospect Marcelo Mayer on fire for High-A Greenville
Meet Marcelo Mayer, Eastlake grad and MLB prospect with 'more pop' than Adrián González
Marcelo Mayer already crown jewel of Red Sox farm system, Sports
2021 MLB Draft Picks: Live Team-by-Team Grades and Analysis, News, Scores, Highlights, Stats, and Rumors
Red Sox prospects Marcelo Mayer, Miguel Bleis impress in spring training
Sea Dogs' Marcelo Mayer hits first Double-A homer