Marcelo Mayer already crown jewel of Red Sox farm system
The Red Sox Prospects Report - Part Two - Over the Monster
Red Sox promoting No. 1 prospect Marcelo Mayer to Double-A
Red Sox Prospect Outlook: Marcelo Mayer Destined For Stardom?
Marcelo Mayer, Red Sox top prospect, is tearing up the minor leagues
2022 Boston Red Sox Top MLB Prospects — College Baseball, MLB
Red Sox Top prospect Marcelo Mayer may get called-up to Boston
Boston Red Sox Top 30 Prospects 2023 Preseason - Future Stars Series
Boston Red Sox Top Fantasy Baseball Prospects 2023