Marcelo Mayer Stats & Scouting Report — College Baseball, MLB Draft, Prospects - Baseball America
Boston Red Sox Top Prospects: Marcelo Mayer in the top 100 and Jud Fabian's signing status - Over the Monster
Marcelo Mayer 2021 MLB Draft Profile - Last Word On Baseball
Here's MLB Scouting Report Of Red Sox First-Rounder Marcelo Mayer
2021 MLB Draft Scouting Report: SS Marcelo Mayer - Lookout Landing
Eastlake's Marcelo Mayer: The Six Million Dollar Man
MLB Draft 2021: Marcelo Mayer and Five Other Prospects to Watch - The New York Times
Marcelo Mayer SS Scouting Report: 2021 MLB Draft • Prospects Worldwide
MLB 21 The Show CAP – SS Marcelo Mayer – Sports Gaming Rosters
Red Sox Prospect Outlook: How High Can Marcelo Mayer Climb In 2022?