Boston Red Sox select 'superstar' shortstop in 2021 MLB Draft
How did Red Sox top prospect Marcelo Mayer fare in first full pro season? – Blogging the Red Sox
Marcelo Mayer #1 Red Sox Prospect (2022 Highlights)
2021 Bowman Draft Marcelo Mayer 1st #BD-174 RED /5 PSA 8 NM-MT - Red Sox (M)
Marcelo Mayer among five Red Sox prospects on Baseball America top 100 - Over the Monster
Hit bombs': Watch Red Sox draftee Marcelo Mayer meet Xander Bogaerts
Red Sox prospect Marcelo Mayer's custom cleats at Futures Game - ESPN
First-round pick Marcelo Mayer signs with Red Sox, gets a Fenway welcome - The Boston Globe
Marcelo Mayer: Breaking News, Rumors & Highlights
Marcelo Mayer (SS), Top Prospects for the Boston Red Sox Has Just Been Promoted From High A to Double A : r/baseball
MLB expert analysis of Red Sox draft pick Marcelo Mayer
Red Sox Marcelo Mayer or Yankees Anthony Volpe
Shortstop Marcelo Mayer makes debut at Hadlock Field in 6-2 Sea Dogs win