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Houston Astros reveal Oxy as first ever jersey partner - SportsPro
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Proud Partner of the Boston Red Sox
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MassMutual, Red Sox announce multiyear partnership
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Boston Red Sox Archives - SportsPro
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Iconic Massachusetts Brands Unite: MassMutual Named Signature
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MassMutual will be the first sponsor to have its logo on Red Sox
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Red Sox reach $170 million jersey-patch deal, Mets also interested
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Sox say so long to John Hancock. But hello maybe to MassMutual
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Red Sox debut new uniform advertisements as part of 10-year deal
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Boston Red Sox Announce MassMutual Patch on Jerseys Starting in