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

A $17 million annual deal by the Red Sox stokes debate on the value of jersey patches in a market flooded with options

city connect – Blogging the Red Sox

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

MLB Jerseys' to Feature Corporate Sponsor Logos for First Time Ever In 2023

Ex-Yankees pitchers destined to miss Red Sox Opening Day

Take us out to the ballgame - BOStoday

Atlanta Braves vs. Boston Red Sox (7/26/23): FREE live stream, time, details, odds

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

How to Watch the Detroit Tigers vs. Boston Red Sox - MLB (8/13/23)

Phillies may have sponsored uniform patch this season

MassMutual is first jersey patch sponsor of the Red Sox

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