Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal
Red Sox, MassMutual Partner Up
SBJ Closing Bell: Red Sox officially sign MassMutual as patch sponsor
MassMutual and the Boston Red Sox celebrate their 10-year partnership with a unique drone show, Boston Red Sox, partnership, unmanned aerial vehicle, canvas
Sustainability and Inclusion MassMutual 2022 Annual Report
Ortiz, Pedro, Boggs to Participate in Red Sox Winter Weekend
Iconic Massachusetts Brands Unite: MassMutual Named Signature Partner and First Ever Jersey Patch Sponsor of the Boston Red Sox
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
Boston Red Sox on the Forbes MLB Team Valuations List