Marcelo Mayer of the Red Sox Joins the Prospect Pad — College Baseball, MLB Draft, Prospects - Baseball America
First-round pick Marcelo Mayer signs with Red Sox, gets a Fenway welcome - The Boston Globe
Shortstop Marcelo Mayer makes debut at Hadlock Field in 6-2 Sea Dogs win
First-round pick Marcelo Mayer signs with Red Sox, gets a Fenway welcome - The Boston Globe
Marcelo Mayer, Red Sox top prospect, on goals for 2023
Shortstop Marcelo Mayer makes debut at Hadlock Field in 6-2 Sea Dogs win
Boston Red Sox Top 46 Prospects
Prospect Report: Red Sox's Mayer Caps a Great Week — College Baseball, MLB Draft, Prospects - Baseball America
Red Sox prospect Marcelo Mayer won't play again this season - The Boston Globe
Red Sox Prospect Marcelo Mayer Tapped For All-Star Futures Game
Marcelo Mayer Continues to Impress as Boston Red Sox Prepare For the Draft, Locked On Red Sox
Boston Red Sox top prospects 2023: Marcelo Mayer leads list