American Financial to Sell Annuity Business to MassMutual for $3.5 Billion - WSJ
MassMutual maintains lead in IR swaps market for life insurers
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
The un-office office': MassMutual revamps State Street headquarters as it grows in Springfield and Boston
MassMutual is first jersey patch sponsor of the Red Sox
Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster
Sustainability and Inclusion MassMutual 2022 Annual Report
About Us: Our Culture, People, and Purpose - MassMutual
Sustainability and Inclusion MassMutual 2022 Annual Report
Boston Red Sox and Springfield-based life insurer, MassMutual partner up
Boston Red Sox bag US$170m MassMutual jersey patch deal, says report - SportsPro
sam kennedy – Blogging the Red Sox