Red Sox Draft Pick Marcelo Mayer Makes His Pro Debut - CBS Boston
Red Sox to promote top prospect Marcelo Mayer to Double-A Portland – Blogging the Red Sox
Red Sox prospect Marcelo Mayer hits first homer of season for Greenville Drive
5 things to know about Red Sox shortstop Marcelo Mayer
First-round pick Marcelo Mayer signs with Red Sox, gets a Fenway welcome - The Boston Globe
Red Sox prospect Marcelo Mayer's custom cleats at Futures Game - ESPN
Boston Red Sox Top Fantasy Baseball Prospects 2023
Red Sox first-round draft pick Marcelo Mayer wants to sign 'as soon as possible' - The Boston Globe
How does Tigers' decision to draft Jackson Jobe over Marcelo Mayer look a year later? - The Athletic
Marcelo Mayer of Eastlake High taken fourth in MLB Draft - The San Diego Union-Tribune
2021 MLB Draft Scouting Report: SS Marcelo Mayer - Lookout Landing
Boston Red Sox news: Why No. 1 pick Marcelo Mayer is a special talent
Red Sox promote top prospect Marcelo Mayer to Double-A Portland
Tom Caron Sits Down With Red Sox 2021 First-Round Draft Pick Marcelo Mayer