Ten-year partnership sees the insurer become the MLB team's first jersey patch partner.
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
Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
MassMutual will be the first sponsor to have its logo on Red Sox
Boston Red Sox bag US$170m MassMutual jersey patch deal, says report - SportsPro
The MassMutual jersey patch is displayed during a Boston Red Sox News Photo - Getty Images
Red Sox Mass Mutual Collaboration – NBC Boston
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Boston Red Sox bag US$170m MassMutual jersey patch deal, says report - SportsPro
The MassMutual jersey patch is displayed during a Boston Red Sox News Photo - Getty Images
Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
MassMutual becomes 'signature sponsor' for Boston Red Sox
Red Sox will have MassMutual logo on their jerseys beginning in
MLB's new uniform rules won't prevent Red Sox from keeping Boston