MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News
Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
Red Sox reportedly sign jersey patch deal with MassMutual
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Boston Red Sox mascots Wally and Tessie display the patch during a News Photo - Getty Images
MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster
Jennifer Halloran on LinkedIn: FIFA Women's World Cup + Frito-Lay, Taste of Greatness
Red Sox will have MassMutual logo on their jerseys beginning in 2023
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
MLB's new uniform rules won't prevent Red Sox from keeping Boston traditions – Boston Herald
Red Sox to sport MassMutual logo under new partnership - Boston Business Journal