Marcelo Mayer Class of 2021 - Player Profile
How did Red Sox top prospect Marcelo Mayer fare in first full pro
Boston Red Sox Top Prospects
Eastlake's Marcelo Mayer: The Six Million Dollar Man
Red Sox sign No. 4 MLB Draft pick Marcelo Mayer as shortstop
WATCH: Marcelo Mayer, top Red Sox prospect, homers off Nathan
MLB Draft 2021: Marcelo Mayer is a potential pick for the Boston
Boston Red Sox have 3 top-100 prospects in MLB.com's latest
Here's where MLB ranks the top Red Sox prospects
MLB prospects guru takes Red Sox prospect over Yankees' Anthony
Marcelo Mayer Rated Prospect 2023 Donruss Base Set Baseball
The Top 2023 MLB Prospects and Their Cards to Look Out For
MLB prospect rankings: Riley Greene reigns supreme, Marcelo Mayer
Boston Red Sox place Marcelo Mayer on minor-league injured list
Red Sox top prospect Marcelo Mayer embracing stop with Sea Dogs