First-round pick Marcelo Mayer signs with Red Sox, gets a Fenway
MLB Notebook: Miguel Bleis injury, WooSox' Shane Drohan learning Triple-A hitters, Marcelo Mayer settling into Double-A
No. 1 pick Marcello Mayer signs first contract, meets Red Sox players at Fenway Park
Red Sox select HS shortstop with 4th overall pick in MLB draft
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Boston Red Sox officially sign No. 4 overall pick Marcelo Mayer for $6.64M; shortstop took BP, did infield drills with big-league team Thursday
Red Sox prospects form close relationships in Double-A Portland
For Red Sox prospects Nick Yorke and Marcelo Mayer the Futures Game felt inevitable, but for Luis Guerrero it's an unlikely tale - The Boston Globe
First-round pick Marcelo Mayer signs with Red Sox, gets a Fenway welcome - The Boston Globe
Boston Red Sox news: Why No. 1 pick Marcelo Mayer is a special talent
Red Sox' Marcelo Mayer vaults into top five on MLB's Top 100 Prospects list – NBC Sports Boston
Red Sox year in review: A timeline of how a wild 2021 unfolded
Red Sox First-Round Pick Marcelo Mayer Planning On Signing Right Away
Boston Red Sox select Marcelo Mayer from Eastlake HS with the 4th pick of the 2021 MLB Draft
Marcelo Mayer reacts to getting drafted fourth overall by Red Sox
Marcelo Mayer already crown jewel of Red Sox farm system, Sports