MassMutual is first jersey patch sponsor of the Red Sox
Ranking Arizona 2020 Digital Issue by AZ Big Media - Issuu
Outlook 2020 by repubnews - Issuu
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
Brooklyn Digest: July 2023
Boston Red Sox mascots Wally and Tessie display the patch during a Foto di attualità - Getty Images
MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster
MLB's Red Sox land MassMutual as jersey patch sponsor - Sportcal
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