Marcelo Mayer, Boston Red Sox 2021 first-round pick, walks three times in professional debut in FCL
The Boston Red Sox select Marcelo Mayer with the 4th overall pick in the 2021 MLB Draft - MLB Daily Dish
Marcelo Mayer continues legacy of great Eastlake High baseball players - The San Diego Union-Tribune
Marcelo Mayer
Greenville Drive Marcelo Mayer notches first multihomer game
Boston Red Sox news: Why No. 1 pick Marcelo Mayer is a special talent
Prep shortstops, high-profile arms highlight first-ever MLB draft at the All-Star Game
Marcelo Mayer drafted No. 4 by Red Sox in MLB Draft
Red Sox prospect Marcelo Mayer collects first multihomer game