Marcelo Mayer Has Been Promoted to AA Portland
Portland McClelland Miscellanea
Sea Dogs were showcase for many of Boston's top prospects in 2023
Red Sox Top prospect Marcelo Mayer may get called-up to Boston
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BREAKING* TOP RED SOX PROSPECT PROMOTED!!
British-born manager now guides the Salem Red Sox - Cardinal News
Marcelo Mayer, the Red Sox' top prospect, already looks destined for the big leagues - The Boston Globe
Red Sox Top prospect Marcelo Mayer may get called-up to Boston
Red Sox Prospect Marcelo Mayer Fitting In Since Portland Promotion
Two years after being drafted, Marcelo Mayer remains on fast track to Red Sox stardom
BREAKING* TOP RED SOX PROSPECT PROMOTED!!
Red Sox' Marcelo Mayer vaults into top five on MLB's Top 100 Prospects list – NBC Sports Boston
Top Red Sox prospect Marcelo Mayer promoted to Double A after blistering May - The Athletic
