Red Sox promote top prospect Marcelo Mayer to Double-A Portland
Boston Red Sox Promoting Top Prospect to Next Level - Fastball
MLB's top 20 prospects for 2022: Adley Rutschman, Bobby Witt Jr. battle for top spot; Leiter, Mayer make cut
Marcelo Mayer among three Red Sox prospects named to roster for All-Star Futures Game - The Boston Globe
Teammates Marcelo Mayer, Brainer Bonaci headline All-Red Sox Minor League Team for July - The Athletic
Marcelo Mayer among three Red Sox prospects named to roster for All-Star Futures Game - The Boston Globe
Top Red Sox prospect Marcelo Mayer promoted to Double A after blistering May - The Athletic
Red Sox top prospect Marcelo Mayer with a double in his first spring t
Red Sox to promote top prospect Marcelo Mayer to Double-A Portland on Tuesday
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
Boston Red Sox Top Prospect Voting: Marcelo Mayer is the next big thing - Over the Monster
Red Sox top prospect Marcelo Mayer promoted to Double A Portland after tearing it up throughout the month - The Boston Globe
How Red Sox' Top 10 prospects fared in 2023