Marcelo Mayer is the biggest Red Sox prospect to hit Portland in a

How Red Sox prospect Marcelo Mayer made it to All-Star Futures Game

Red Sox top prospect Marcelo Mayer takes liftoff amid struggles

Red Sox promote top prospect Marcelo Mayer to Double-A Portland

San Diegans Marcelo Mayer, Spencer Jones focus on the present as they head to MLB Futures Games - The San Diego Union-Tribune

Boston Red Sox Insider Discusses Marcelo Mayer's Major League Timeline - Fastball

Boston Red Sox Top 46 Prospects

Marcelo Mayer is the biggest Red Sox prospect to hit Portland in a decade. Catch him while you can. – The Portland Phoenix

John Boggs and Associates, Inc (@JBASPORTS) / X

May Farm Report: Red Sox promote Shane Drohan, Marcelo Mayer

Red Sox promoting No. 1 prospect Marcelo Mayer to Double-A

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