Marcelo Mayer is not the only Sox prospect thriving in Portland
A natural leader': Inside top prospect Marcelo Mayer's first year in pro ball with the Red Sox - The Athletic
Red Sox Prospect Outlook: Marcelo Mayer Destined For Stardom?
Marcelo Mayer's three-hit game, 04/19/2023
Red Sox's Top Prospect Marcelo Mayer Promoted To High-A Greenville
Checking in with the Red Sox' top 10 prospects
Shortstop Marcelo Mayer makes debut at Hadlock Field in 6-2 Sea Dogs win
MLB Draft 2021: Marcelo Mayer is a potential pick for the Boston Red Sox - Over the Monster
The Road to The Show™: Boston Red Sox shortstop Marcelo Mayer
Red Sox top prospect Marcelo Mayer has best game since High-A call-up
Shortstop Marcelo Mayer makes debut at Hadlock Field in 6-2 Sea Dogs win
Marcelo Mayer among five Red Sox prospects on Baseball America top 100 - Over the Monster
Boston Red Sox Top 51 Prospects
Red Sox Q&A with Keith Law: Marcelo Mayer, Miguel Bleis and more prospects - The Athletic