Marcelo Mayer 2023 Bowman Chrome GOLD Refractor #40/50 Modern Prospects Red Sox
MLB top prospect ranking: Red Sox's Marcelo Mayer ranked just outside top 10
Red Sox: Marcelo Mayer's prospect ranking shows he was the right draft choice
Marcelo Mayer already crown jewel of Red Sox farm system, Sports
Marcelo Mayer holds key to Chaim Bloom's entire Red Sox rebuild – NBC Sports Boston
Sea Dogs prospect Mayer, 20, focused on pitch selection -- and lobster rolls, Fisher Cats
2021 MLB Draft: Red Sox select No. 1-ranked prospect Mayer, Local Sports
Which Red Sox prospects are next in line to be called up? – NBC Sports Boston
Red Sox prospect Marcelo Mayer out for rest of 2023