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

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

Red Sox accidentally picked Yankees fan to sponsor jerseys for next decade

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

Phillies may have sponsored uniform patch this season

Boston Red Sox mascots Wally and Tessie display the patch during a News Photo - Getty Images

Red Sox to sport MassMutual logo under new partnership - Boston Business Journal

Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal

MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster

Colorful jerseys here to stay: Red Sox president says team not planning future uniform changes, Sports

Official Charity of the Boston Red Sox Red Sox Foundation - Red Sox Foundation