Marcelo Mayer of the Red Sox Joins the Prospect Pad — College Baseball, MLB Draft, Prospects - Baseball America
Marcelo Mayer Wants To Become A Face Of Baseball, But Winning World Series With Red Sox Is His Primary Goal - CBS Boston
5 things to know about Red Sox shortstop Marcelo Mayer
Red Sox top prospect Marcelo Mayer promoted to Double-A - CBS Boston
Marcelo Mayer, top MLB Draft 2021 pick, may be the best Boston Red Sox prospect - Over the Monster
Marcelo Mayer of Eastlake High taken fourth in MLB Draft - The San Diego Union-Tribune
Predicting Red Sox top prospect Marcelo Mayer's timeline to the majors
Marcelo Mayer - Wikipedia
Red Sox No. 1 Prospect Marcelo Mayer Promoted to Portland
Marcelo Mayer's three-hit game, 04/19/2023
Boston Red Sox place Marcelo Mayer on minor-league injured list - Over the Monster
Prospect Spotlight: Marcelo Mayer, SS, Boston Red Sox - The Dynasty Guru