Boston Red Sox make history with record $170 million ad-patch deal, other teams to follow suit
jerseys – Blogging the Red Sox
Red Sox accidentally picked Yankees fan to sponsor jerseys for next decade
Phillies may have sponsored uniform patch this season
St. Louis Cardinals land Stifel as first jersey patch sponsor
Red Sox play ball with a new signature sponsor - BOStoday
Iconic Massachusetts Brands Unite: MassMutual Named Signature Partner and First Ever Jersey Patch Sponsor of the Boston Red Sox
Boston Red Sox and Springfield-based life insurer, MassMutual partner up
MLB's Red Sox land MassMutual as jersey patch sponsor - Sportcal
MassMutual, Red Sox announce multiyear partnership
Red Sox reportedly sign jersey patch deal with MassMutual