MassMutual is first jersey patch sponsor of the Red Sox
Red Sox reveal first-ever uniform advertisements; MassMutual
Boston Red Sox bag US$170m MassMutual jersey patch deal, says
Boston Red Sox Announce MassMutual Patch on Jerseys Starting in
MORE
Twins making careful decision about ad patches on players' jerseys
Why MassMutual invested in a jersey sponsorship with the Red Sox
Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
MassMutual is first jersey patch sponsor of the Red Sox
A rough patch: the Astros' new sponsorship deal with Oxy is doubly
Larger-Than-Life Drone Show Celebrates MassMutual's Sponsorship of