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

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

Red Sox kicks off plan to bring all BPS 6th graders to Fenway Park

MLB's announced jersey patch deals so far-San Diego Padres: Motorola. Boston Red Sox: MassMutual. Los Angeles Angels: Foundation Building Materials. Arizona Diamondbacks: Avnet : r/baseball

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

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

jerseys – Blogging the Red Sox

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

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

Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe

Red Sox, MassMutual Partner Up

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. /

Brewers sign former Red Sox outfielder Raimel Tapia