Marcelo Mayer, Boston Red Sox's top prospect, went from 'tall
Prospect Report: Red Sox 2023 Imminent Big Leaguers
Boston Red Sox draft pick Marcelo Mayer 'super excited to share the middle of the field' with prospect Nick Yorke who he saw 'rake' in H.S.
Marcelo Mayer, top MLB Draft 2021 pick, may be the best Boston Red Sox prospect - Over the Monster
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Red Sox Q&A with Keith Law: Marcelo Mayer, Miguel Bleis and more prospects - The Athletic
Top Red Sox prospect Marcelo Mayer is tearing up the minors and drawing rave reviews - The Boston Globe
Red Sox: Pitching prospect Trey Ball may be Henry Owens revisited
Red Sox top prospect Marcelo Mayer is 'eager to take his game to the next level' – Blogging the Red Sox
Marcelo Mayer among five Red Sox prospects on Baseball America top 100 - Over the Monster
Boston Red Sox 2022 Top 30 Prospects — Prospects Live
Red Sox prospect Marcelo Mayer's custom cleats at Futures Game - ESPN