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

Tom Caron: Time is running out for Red Sox to make playoff push

Logos and uniforms of the Boston Red Sox - Wikipedia

jerseys – Blogging the Red Sox

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

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

MassMutual logo patches

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

NHL Partner MassMutual to Debut 'On and Off the Ice' Spot During Winter Classic

3,551 Shirt Sponsor Stock Photos, High-Res Pictures, and Images - Getty Images

Kiké Hernandez isn't a fan of the Red Sox's new ad patch

Chris Sale credited Alex Cora's 'Dodgeball' reference after first win