Marcelo Mayer among five Red Sox prospects on Baseball America top 100 - Over the Monster
Red Sox Minor Leagues A to Z
Triston Casas, Marcelo Mayer lead Boston Red Sox 2022 top 15 prospect list; Nick Yorke ranks No. 3
First-round pick Marcelo Mayer signs with Red Sox, gets a Fenway welcome - The Boston Globe
Red Sox Prospect Marcelo Mayer Ruled Out For Remainder Of 2023
Farm Report: Top prospect promotions couldn't reverse Red Sox's August skid
Will Boston Red Sox's Xander Bogaerts, Marcelo Mayer or someone else be the club's shortstop in 2025?
Triston Casas, Marcelo Mayer lead Boston Red Sox 2022 top 15 prospect list; Nick Yorke ranks No. 3
Boston Red Sox Top 50 Prospects (2022)
Red Sox top 20 prospects 2023: Keith Law ranks Boston's minor league farm system - The Athletic
SoxProspects News: April 2023