MassMutual is first jersey patch sponsor of the Red Sox

MassMutual lands deal for patch on Red Sox uniforms; Springfield company's deal with $17M yearly (report)

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

Boston Red Sox make history with record $170 million ad-patch deal, other teams to follow suit

Why MassMutual invested in a jersey sponsorship with the Red Sox

Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023

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

Red Sox play ball with a new signature sponsor - BOStoday

Boston Red Sox and Springfield-based life insurer, MassMutual partner up

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

Iconic Massachusetts Brands Unite: MassMutual Named Signature Partner and First Ever Jersey Patch Sponsor of the Boston Red Sox

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