OTM Open Thread 12/5: It is Monday - Over the Monster
MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster
Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
MLB Jersey Patch Market Warming Up As Season Approaches
Iconic Massachusetts Brands Unite: MassMutual Named Signature Partner and First Ever Jersey Patch Sponsor of the Boston Red Sox
The Boston Red Sox announced a major off-the-field partnership with MassMutual – Boston 25 News
Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal
It's come to this: our Red Sox as human billboards