Red Sox top prospect Marcelo Mayer has arrived in Portland
Marcelo Mayer is not the only Sox prospect thriving in Portland
Boston Red Sox prospect Marcelo Mayer ranked No. 22, compared to Corey Seager, Christian Yelich on ESPN list
SoxProspects News: July 2021
Boston Red Sox promote top prospect Marcelo Mayer to High-A Greenville; slugger Blaze Jordan also called up
The Road to The Show™: Boston Red Sox shortstop Marcelo Mayer
Farm system rankings: Position players 10-1
SoxProspects News: July 2021
baseball america – Blogging the Red Sox