Checking in with the Red Sox' top 10 prospects
Marcelo Mayer, the Red Sox' top prospect, already looks destined for the big leagues - The Boston Globe
Boston Red Sox Top Prospects
Red Sox prospect Marcelo Mayer's custom cleats at Futures Game - ESPN
Shortstop Marcelo Mayer makes debut at Hadlock Field in 6-2 Sea Dogs win
prospects – Blogging the Red Sox
What Red Sox Top Prospect Marcelo Mayer Focused On This Offseason
2021 Florida Complex League Top 10 Prospects — College Baseball, MLB Draft, Prospects - Baseball America
Marcelo Mayer
Marcelo Mayer Stats & Scouting Report — College Baseball, MLB Draft, Prospects - Baseball America
Marcelo Mayer's two-hit game, 05/19/2023