Phillies may have sponsored uniform patch this season
Red Sox play ball with a new signature sponsor - BOStoday
Detroit Tigers to add Meijer patch on jerseys
Red Sox accidentally picked Yankees fan to sponsor jerseys for next decade
Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023
Iconic Massachusetts Brands Unite: MassMutual Named Signature Partner and First Ever Jersey Patch Sponsor of the Boston Red Sox
Boston Red Sox make history with record $170 million ad-patch deal, other teams to follow suit
St. Louis Cardinals land Stifel as first jersey patch sponsor
jerseys – Blogging the Red Sox
Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
Red Sox reach $170 million jersey-patch deal, Mets also interested
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe