Boston Red Sox officially sign No. 4 overall pick Marcelo Mayer
Checking in with the Red Sox' top 10 prospects
Boston Red Sox Top Prospect Voting: Marcelo Mayer is the next big thing - Over the Monster
Marcelo Mayer Boston Red Sox 2021 Bowman Chrome Sapphire 1st Bowman #BDC-174 TAG Authenticated 10 Rookie Card
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Red Sox First-Round Pick Marcelo Mayer Planning On Signing Right Away
Mlb Draft 2021
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
Could Marcelo Mayer be a franchise-altering pick for the Red Sox?
Red Sox promoting No. 1 prospect Marcelo Mayer to Double-A
How Red Sox' Top 10 prospects fared in 2023
BOSTON RED SOX- MARCELO MAYER AUTOGRAPH MAJOR LEAGUE BASEBALL BECKETT BC86472
2021 Bowman Draft Deoesis Marcelo Mayer Boston Red Sox GNS-4 - Sportsamerica Sports Cards
2021 MLB Draft: Red Sox first-round pick Marcelo Mayer quickly ditches Yankees allegiance
First-round pick Marcelo Mayer signs with Red Sox, gets a Fenway welcome - The Boston Globe