Boston Red Sox Insider Discusses Marcelo Mayer's Major League Timeline - Fastball
How shortstop prospect Marcelo Mayer put himself on the fast track in the Red Sox system - The Boston Globe
Red Sox first-round pick Marcelo Mayer wants to sign 'as soon as possible
Marcelo Mayer among three Red Sox prospects named to roster for All-Star Futures Game - The Boston Globe
Boston Red Sox view Marcelo Mayer as an 'impact shortstop' as he continues to grow; 'He moves with such loose, comfortable action'
Trevor Story praised Red Sox prospect Marcelo Mayer
Portland Sea Dogs McClelland Miscellanea
First-round pick Marcelo Mayer signs with Red Sox, gets a Fenway welcome - The Boston Globe
Top 60 MLB prospects 2023: Keith Law's rankings has Jackson Holliday vs. Jackson Chourio - The Athletic
Ranking the top 10 prospects in the Red Sox system heading into the 2023 season - The Boston Globe
How Red Sox prospect Marcelo Mayer made it to All-Star Futures Game
Updated MLB Farm System Rankings at 2023 Season's Quarter Mark, News, Scores, Highlights, Stats, and Rumors
Is there such a thing as having too many shortstops in one minor league system? - The Boston Globe
Spring Training 2022 Updates: Final spring statistics and records, Sports