Red Sox top prospect Marcelo Mayer promoted to Double-A - CBS Boston

Prospect Spotlight: Marcelo Mayer, SS, Boston Red Sox - The Dynasty Guru

Boston Red Sox Top Prospect Voting: Marcelo Mayer is the next big thing - Over the Monster

Top Red Sox prospect Marcelo Mayer is tearing up the minors and drawing rave reviews - The Boston Globe

Marcelo Mayer is not the only Sox prospect thriving in Portland

Marcelo Mayer, Boston Red Sox, SS - News, Stats, Bio

How Red Sox' Top 10 prospects fared in 2023

MLB prospect rankings: Top 25 players re-ranked with Jackson Holliday, Elly De La Cruz at the top

First-round pick Marcelo Mayer signs with Red Sox, gets a Fenway welcome - The Boston Globe

2022 Fantasy Baseball: Midseason top 30 prospect rankings led by Corbin Carroll, Gunnar Henderson

Red Sox's 2023 breakout prospect candidate joins Marcelo Mayer, Blaze Jordan at Greenville

Updated Top 100 MLB Prospect List: Where Dylan Crews, Other Top 2023 Draft Picks Rank, News, Scores, Highlights, Stats, and Rumors

Boston Red Sox Promoting Top Prospect to Next Level - Fastball