Marcelo Mayer Has Been Promoted to AA Portland

Red Sox top prospect Marcelo Mayer promoted to Double A Portland after tearing it up throughout the month - The Boston Globe

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

2022 Boston Red Sox mid-season farm system evaluation

Sea Dogs were showcase for many of Boston's top prospects in 2023

BREAKING* TOP RED SOX PROSPECT PROMOTED!!

2023 Boston Red Sox Top 30 Prospects, by Sam Federman

BREAKING* TOP RED SOX PROSPECT PROMOTED!!

SoxProspects News

Is Red Sox prospect Blaze Jordan near a promotion? 'He's got our attention'

Red Sox Top prospect Marcelo Mayer may get called-up to Boston