Red Sox promote top prospect Marcelo Mayer to Portland Sea Dogs

Red Sox promote top prospect Marcelo Mayer to Sea Dogs

Minor Notes: Mayer earns promotion to Portland - SoxProspects News

Red Sox Prospect Marcelo Mayer Placed On Injured List In Double-A

Marcelo Mayer among three Red Sox prospects named to roster for All-Star Futures Game - The Boston Globe

Red Sox prospects form close relationships in Double-A Portland

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

Boston Red Sox top prospects 2023: Marcelo Mayer leads list

Red Sox top prospect Marcelo Mayer has arrived in Portland

For Red Sox prospects Nick Yorke and Marcelo Mayer the Futures Game felt inevitable, but for Luis Guerrero it's an unlikely tale - The Boston Globe

Red Sox top prospect Marcelo Mayer embracing stop with Sea Dogs