First-round pick Marcelo Mayer signs with Red Sox, gets a Fenway
Marcelo Mayer of Eastlake High taken fourth in MLB Draft - The San
Marcelo Mayer autographed card sells for $132,000
Top Red Sox prospect Marcelo Mayer is tearing up the minors and
Red Sox officially sign first round draft pick Marcelo Mayer
Top Red Sox pick Marcelo Mayer expected to make his pro debut
Boston Red Sox: Top 10 Prospects for 2022 - Project Digest
Boston Red Sox place Marcelo Mayer on minor-league injured list
Red Sox sign first-round pick Marcelo Mayer to rookie deal
Eastlake's Marcelo Mayer: The Six Million Dollar Man
MLB Rumors: Red Sox sign first-round pick Marcelo Mayer – NBC
Red Sox' Marcelo Mayer vaults into top five on MLB's Top 100