MassMutual is first jersey patch sponsor of the Red Sox

2) 2023 Boston Red Sox MassMutual Advertising Jersey Patch

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MLB's announced jersey patch deals so far-San Diego Padres: Motorola. Boston Red Sox: MassMutual. Los Angeles Angels: Foundation Building Materials. Arizona Diamondbacks: Avnet : r/baseball

MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster

MassMutual is first jersey patch sponsor of the Red Sox

MLB's Red Sox land MassMutual as jersey patch sponsor - Sportcal

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Boston Red Sox confirm MassMutual as signature sponsor - SportsPro

MLB's announced jersey patch deals so far-San Diego Padres: Motorola. Boston Red Sox: MassMutual. Los Angeles Angels: Foundation Building Materials. Arizona Diamondbacks: Avnet : r/baseball

Iconic Massachusetts Brands Unite: MassMutual Named Signature Partner and First Ever Jersey Patch Sponsor of the Boston Red Sox