Red Sox to sport MassMutual logo under new partnership - Boston
Boston Red Sox Announce MassMutual Patch on Jerseys Starting in
Red Sox reveal first-ever uniform advertisements; MassMutual
Astros agree to deal to add Oxy jersey patch for 2023 season
MLB Teams with Jersey Patch Sponsors for the 2023 Season - Zoomph
MLB's Red Sox land MassMutual as jersey patch sponsor - Sportcal
Cleveland Guardians to wear Marathon jersey patch
Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
Marlins, ADT announce jersey patch sponsorship - Fish Stripes
MassMutual will be advertising on the Red Sox jersey in 2023