Boston Red Sox make history with record $170 million ad-patch deal
Boston Red Sox bag US$170m MassMutual jersey patch deal, says
Red Sox Mass Mutual Collaboration – NBC Boston
Why MassMutual invested in a jersey sponsorship with the Red Sox
Red Sox accidentally picked Yankees fan to sponsor jerseys for
Iconic Massachusetts Brands Unite: MassMutual Named Signature
Red Sox debut new uniform advertisements as part of 10-year deal
A $17 million annual deal by the Red Sox stokes debate on the
MLB's new uniform rules won't prevent Red Sox from keeping Boston