Ultimate Red Sox Show: Marcelo Mayer Debuts For Sea Dogs
Red Sox top prospect Marcelo Mayer has arrived in Portland
Red Sox May all-minors team: New pitchers emerge and Bobby Dalbec goes deep - The Athletic
Guardians beat Red Sox 5-2 behind Josh Naylor and Eddie Rosario
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The wait is over, Sea Dogs fans. The Marcelo Mayer era has arrived
A closer look at the key questions surrounding the Red Sox' top 10 prospects - The Boston Globe
Red Sox Prospect Marcelo Mayer Called Up To Portland Sea Dogs
Red Sox top prospect Marcelo Mayer promoted to Double A Portland after tearing it up throughout the month - The Boston Globe
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Red Sox prospect Marcelo Mayer's custom cleats at Futures Game - ESPN