Red Sox draft Marcelo Mayer, whose lefty swing compares to fellow high school alum Adrián González's - The Athletic
MLB Mock Draft 2021: Red Sox get Vandy's Jack Leiter at No. 4; Pirates take high school shortstop at No. 1
San Diegans Marcelo Mayer, Spencer Jones focus on the present as they head to MLB Futures Games - The San Diego Union-Tribune
How did Red Sox prospects Marcelo Mayer, Nick Yorke, and Luis Guerrero fare in All-Star Futures Game? – Blogging the Red Sox
2021 MLB Draft Scouting Report: SS Marcelo Mayer - Lookout Landing
MLB Mock Draft 2021: Red Sox get Vandy's Jack Leiter at No. 4; Pirates take high school shortstop at No. 1
2021 MLB Draft Scouting Report: SS Marcelo Mayer - Lookout Landing
First-round pick Marcelo Mayer signs with Red Sox, gets a Fenway welcome - The Boston Globe
Red Sox first-round pick Marcelo Mayer wants to sign 'as soon as possible
Red Sox: Marcelo Mayer's prospect ranking shows he was the right draft choice
Mr. Baseball 2021: Marcelo Mayer
marcelo mayer – Blogging the Red Sox
Marcelo Mayer, Red Sox top prospect, on goals for 2023