Iconic Massachusetts Brands Unite: MassMutual Named Signature Partner and First Ever Jersey Patch Sponsor of the Boston Red Sox
Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
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Sustainability and Inclusion MassMutual 2022 Annual Report
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Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal
Red Sox Reportedly Strike $170M Jersey Patch Deal
