MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
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Boston Red Sox bag US$170m MassMutual jersey patch deal, says
Red Sox to sport MassMutual logo under new partnership - Boston
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jerseys – Blogging the Red Sox
A $17 million annual deal by the Red Sox stokes debate on the
Iconic Massachusetts Brands Unite: MassMutual Named Signature
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jerseys – Blogging the Red Sox
