Boston Red Sox bag US$170m MassMutual jersey patch deal, says
MassMutual becomes 'signature sponsor' for Boston Red Sox
Red Sox, MassMutual near a $17M jersey patch deal - Boston
The Sociology of Sports - An Introduction, PDF
Iconic Massachusetts Brands Unite: MassMutual Named Signature
Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
Red Sox to sport MassMutual logo under new partnership - Boston
Boston Red Sox Archives - SportsPro
Boston Red Sox Archives - SportsPro
Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
MassMutual, Red Sox announce multiyear partnership
Boston Red Sox sign BetMGM as first betting sponsor
Red Sox to sport MassMutual logo under new partnership - Boston