MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster
Why MassMutual invested in a jersey sponsorship with the Red Sox
Check Out New Photos Of Red Sox Partnership Jersey Patch
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal
Red Sox reportedly sign jersey patch deal with MassMutual
Milwaukee Brewers Announce Teams 1st Jersey Patch And How They Will Spend The Profit
Boston Red Sox bag US$170m MassMutual jersey patch deal, says report - SportsPro
Why MassMutual invested in a jersey sponsorship with the Red Sox
The NFL's US$673m question: Will the league introduce jersey patch sponsors? - SportsPro
Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal
A $17 million annual deal by the Red Sox stokes debate on the value of jersey patches in a market flooded with options
The Future Of Jersey Sponsorships Across US Sports Leagues
Red Sox reportedly sign jersey patch deal with MassMutual
Red Sox to sport MassMutual logo under new partnership - Boston Business Journal