Red Sox first-round draft pick Marcelo Mayer wants to sign 'as soon as possible' - The Boston Globe
Marcelo Mayer Clobbers a Solo Home Run!, Boston Red Sox Prospect
Marcelo Mayer McClelland Miscellanea
Red Sox Prospect Outlook: Marcelo Mayer Destined For Stardom?
Red Sox's Marcelo Mayer On Pace To Become No. 1 Prospect In MLB Next Season - Sports Illustrated Inside The Red Sox
First look at Marcelo Mayer at Fenway Park
Red Sox Prospect Wearing Cleats With Real Pieces of Fenway Park in Them at MLB Futures Game - Sports Illustrated
Marcelo Mayer Reflects On Red Sox Spring Training Experience
Boston Red Sox select Marcelo Mayer from Eastlake HS with the 4th pick of the 2021 MLB Draft
Farm Report: Top prospect promotions couldn't reverse Red Sox's August skid
marcelo mayer – Blogging the Red Sox