Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
Ten-year partnership sees the insurer become the MLB team's first jersey patch partner.
Red Sox improve to 5-1 vs. Yankees thanks to Brayan Bello
MassMutual becomes 'signature sponsor' for Boston Red Sox
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
MassMutual becomes 'signature sponsor' for Boston Red Sox
MLB's new uniform rules won't prevent Red Sox from keeping Boston
MassMutual becomes 'signature sponsor' for Boston Red Sox
MassMutual will be the first sponsor to have its logo on Red Sox
Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
MassMutual will be the first sponsor to have its logo on Red Sox