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MassMutual lands deal for patch on Red Sox uniforms; Springfield company's deal with $17M yearly (report)
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Boston Red Sox sign BetMGM as first betting sponsor
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Boston Red Sox bag US$170m MassMutual jersey patch deal, says report - SportsPro
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Red Sox reach $170 million jersey-patch deal, Mets also interested
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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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Boston Red Sox bag US$170m MassMutual jersey patch deal, says report - SportsPro
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MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
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Cleveland Guardians to wear Marathon jersey patch
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Red Sox Mass Mutual Collaboration – NBC Boston
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Red Sox reach $170 million jersey-patch deal, Mets also interested