Boston Red Sox confirm MassMutual as signature sponsor - SportsPro

Ten-year partnership sees the insurer become the MLB team's first jersey patch partner.

Boston Red Sox confirm MassMutual as signature sponsor - SportsPro

MassMutual will be the first sponsor to have its logo on Red Sox

MassMutual will be the first sponsor to have its logo on Red Sox

Boston Red Sox recall infielder Bobby Dalbec and left-hander Chris

Rafael Devers Autograph Baseball - New England Picture

MassMutual becomes 'signature sponsor' for Boston Red Sox

Boston Red Sox confirm MassMutual as signature sponsor - SportsPro

Boston Red Sox confirm MassMutual as signature sponsor - SportsPro

Rafael Devers Joins Impressive Club in Boston Red Sox History

MLB's new uniform rules won't prevent Red Sox from keeping Boston

Massmutual red sox sign, MassMutual will be the first sponsor to have its logo on Red Sox

MassMutual will be the first sponsor to have its logo on Red Sox

MassMutual will be the first sponsor to have its logo on Red Sox

MLB's new uniform rules won't prevent Red Sox from keeping Boston

MLB's new uniform rules won't prevent Red Sox from keeping Boston

MassMutual will be the first sponsor to have its logo on Red Sox