Carlos Collazo 2021 MLB Draft Prospects Chat (Subscriber Exclusive) — College Baseball, MLB Draft, Prospects - Baseball America
Red Sox first-round draft pick Marcelo Mayer wants to sign 'as soon as possible' - The Boston Globe
Marcelo Mayer is not the only Sox prospect thriving in Portland
What Experts Are Saying About Red Sox Draft Pick Marcelo Mayer - CBS Boston
Boston College's Sal Frelick calls MLB Draft selection 'super special' as Lexington native has more potential to unlock - The Boston Globe
Marcelo Mayer - Wikipedia
Marcelo Mayer ready for next step at Red Sox camp
Favorite picks from 2021 MLB Draft
MLB Notebook: Noah Song decision looming for Phillies, Kyle Teel signs deal, Trevor Story begins rehab