FanGraphs unveils top Boston Red Sox prospects list - Over the Monster
Red Sox Prospect Marcelo Mayer Has a Simple Approach and a High Ceiling
Marcelo Mayer: News, Stats, Bio, & More - NBC Sports - NBC Sports
Marcelo Mayer -- MLB's No. 7 overall prospect -- tied a career high with 4 knocks
Boston Red Sox Top 30 prospects list 2023 preseason
Red Sox prospects form close relationships in Double-A Portland
Boston Red Sox Top 51 Prospects
Red Sox' Marcelo Mayer vaults into top five on MLB's Top 100 Prospects list – NBC Sports Boston
Red Sox have 3 top-100 prospects in MLB.com's latest rankings, Red Sox
Boston Red Sox place Marcelo Mayer on minor-league injured list - Over the Monster
Boston Red Sox's Marcelo Mayer ranked No. 9 prospect on MLB Pipeline's Top 100 list; Triston Casas No. 18, Jarren Duran No. 26
The Red Sox Prospects Report - Part Two - Over the Monster
2022 Boston Red Sox Top MLB Prospects — College Baseball, MLB Draft, Prospects - Baseball America
Boston Red Sox To Send Three Top Prospects, Including Marcelo Mayer, to All-Star Futures Game - Fastball