Marcelo Mayer Class of 2021 - Player Profile

MARCELO MAYER/McDONOUGH 2021 BOWMAN CHROME DRAFT FRANCHISE FUTURES RED SOX #FF-4

Eastlake's Marcelo Mayer selected No. 4 overall by Boston Red Sox in 2021 MLB Draft - Sports Illustrated High School News, Analysis and More

MLB roundup: Mayer, Yorke selected for All-Star Futures Game

Red Sox sign first-round pick Marcelo Mayer – Blogging the Red Sox

Red Sox promote top prospect Marcelo Mayer to Portland Sea Dogs

2021 MLB Draft profile: SS Marcelo Mayer is the Tigers' top target - Bless You Boys

MLB 21 The Show CAP – SS Marcelo Mayer – Sports Gaming Rosters

Red Sox Prospect Outlook: Marcelo Mayer Destined For Stardom?

Marcelo Mayer Class of 2021 - Player Profile

Red Sox draft top shortstop prospect Marcelo Mayer at No. 4

MLB Draft 2021: Red Sox select prep shortstop Marcelo Mayer with No. 4 pick

MARCELO MAYER TYLER McDONOUGH RC 2021 Bowman Chrome Draft FRANCHISE FUTURES

The 2021 Draft Class Will Be Remembered For Its Prep Shortstops. Meet The Top Four Prospects. — College Baseball, MLB Draft, Prospects - Baseball America