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

MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe

Chris Cotillo on X: MassMutual is the new “signature partner” of the Red Sox. They get a jersey patch and the sign that replaces the John Hancock sign in center field. /

MLB's new uniform rules won't prevent Red Sox from keeping Boston traditions – Boston Herald

Now in centerfield at Fenway Park!, Boston Red Sox, Fenway Park

Red Sox drop series finale to Dodgers

Red Sox reach $170 million jersey-patch deal, Mets also interested

The Future Of Jersey Sponsorships Across US Sports Leagues

Yankees Announce Starr Insurance Jersey Patch, Partnership in Video, News, Scores, Highlights, Stats, and Rumors