Boston Red Sox land a 10-year partnership with MassMutual
MLB Team Values: Yankees Lead at $7.1B, as Sport Faces RSN
Red Sox - MassMutual
Red Sox Mass Mutual Collaboration – NBC Boston
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Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
Red Sox kicks off plan to bring all BPS 6th graders to Fenway Park
MassMutual lands deal for patch on Red Sox uniforms; Springfield
Red Sox - MassMutual
Ortiz, Pedro, Boggs to Participate in Red Sox Winter Weekend
The Red Sox are not a great team. But the pieces are starting to
L.A. Angels have new MLB jersey patch sponsorship
Boston Red Sox bag US$170m MassMutual jersey patch deal, says
MassMutual will be the first sponsor to have its logo on Red Sox
MLB's Red Sox land MassMutual as jersey patch sponsor - Sportcal
MassMutual becomes 'signature sponsor' for Boston Red Sox