Red Sox sign first-round pick Marcelo Mayer for $6,664,000
First-round pick Marcelo Mayer signs with Red Sox, takes BP at
Boston Red Sox officially sign No. 4 overall pick Marcelo Mayer
Marcelo Mayer continues climb in MLB's Top 100 prospect rankings
SoxProspects News: 2023
Red Sox First-Round Pick Marcelo Mayer Planning On Signing Right Away
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Top Red Sox prospect Marcelo Mayer is tearing up the minors and
Red Sox Sign Top Draft Pick Marcelo Mayer - CBS Boston
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Live Winter Meetings Blog: Xander Bogaerts signs with San Diego
Live Winter Meetings Blog: Xander Bogaerts signs with San Diego