May Farm Report: Red Sox promote Shane Drohan, Marcelo Mayer
Updated Top 100 MLB Prospects List, September 2023 Edition
SoxProspects News: Minor Notes: Mayer earns promotion to Portland
MLB Draft 2021: Marcelo Mayer and Five Other Prospects to Watch
Marcelo Mayer hits home run off Nathan Eovaldi
SoxProspects.com
MLB The Show 23: Future Stars Marcelo Mayer - ShowZone
Shortstop Marcelo Mayer makes debut at Hadlock Field in 6-2 Sea
Marcelo Mayer swats two home runs, 05/24/2023
Boston Red Sox top prospects 2023: Marcelo Mayer leads list
2023 Donruss Marcelo Mayer /2023 Red Holo Foil Rated Prospect
Red Sox notebook: Fenway Park much friendlier this season for team