Red Sox top prospect Marcelo Mayer is 'eager to take his game to the next level' – Blogging the Red Sox
Marcelo Mayer
How Marcelo Mayer became a scouting impossible dream come true - The Boston Globe
Marcelo Mayer launches go-ahead home run for Red Sox' High-A affiliate
Marcelo Mayer (@marcelomayer_10) • Instagram photos and videos
Marcelo Mayer (@Marcelo_Mayer10) / X
Marcelo Mayer - Wikipedia
Marcelo Mayer (@marcelomayer_10) • Instagram photos and videos
Marcelo Mayer (@marcelomayer_10) • Instagram photos and videos
5 things to know about Red Sox shortstop Marcelo Mayer