Jackson Holliday, Marcelo Mayer Highlight All-Star Futures Game Rosters
Boston Red Sox 2022 Top 30 Prospects — Prospects Live
SoxProspects.com
Boston Red Sox Top Prospect Voting: Marcelo Mayer is the next big thing - Over the Monster
Shortstop Marcelo Mayer makes debut at Hadlock Field in 6-2 Sea Dogs win
Marcelo Mayer, the Red Sox' top prospect, already looks destined for the big leagues - The Boston Globe
Marcelo Mayer already crown jewel of Red Sox farm system, Sports
promotions – Blogging the Red Sox
Red Sox Prospect Outlook: Marcelo Mayer Destined For Stardom?
Marcelo Mayer, Red Sox top prospect, is tearing up the minor leagues
Marcelo Mayer among three Red Sox prospects named to roster for All-Star Futures Game - The Boston Globe
Marcelo Mayer Stats & Scouting Report — College Baseball, MLB Draft, Prospects - Baseball America
Marcelo Mayer's first home run, 06/07/2023