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Boston Red Sox sign BetMGM as first betting sponsor
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MLB Sponsor Revenue Hits $1.2B as Jersey Patch Boom Awaits –
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Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal
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Red Sox reach $170 million jersey-patch deal, Mets also interested
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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
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MassMutual, Red Sox announce multiyear partnership
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Iconic Massachusetts Brands Unite: MassMutual Named Signature Partner and First Ever Jersey Patch Sponsor of the Boston Red Sox
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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
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Why are the Angels wearing jersey patches with 'FBM' on them? - Los Angeles Times