MassMutual is first jersey patch sponsor of the Red Sox

Cleveland Guardians to wear Marathon jersey patch

MassMutual, Red Sox announce multiyear partnership

Navy MassMutual patch. -White MassMutual patch. The white patch will be worn on the alternate navy jersey. The navy patch will be worn on all other

(2) 2023 Boston Red Sox MassMutual Advertising Jersey Patch

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

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

The Boston Red Sox announced a major off-the-field partnership with MassMutual – Boston 25 News

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

MassMutual is first jersey patch sponsor of the Red Sox

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

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

Larger-Than-Life Drone Show Celebrates MassMutual's Sponsorship of the Boston Red Sox

Red Sox debut new uniform advertisements as part of 10-year deal with MassMutual, Sports

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