MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
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Red Sox to sport MassMutual logo under new partnership - Boston
Iconic Massachusetts Brands Unite: MassMutual Named Signature
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MassMutual will be advertising on the Red Sox jersey in 2023
Sox say so long to John Hancock. But hello maybe to MassMutual
A $17 million annual deal by the Red Sox stokes debate on the
MLB's Red Sox land MassMutual as jersey patch sponsor - Sportcal
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Tom Caron: Time is running out for Red Sox to make playoff push
Boston Red Sox make history with record $170 million ad-patch deal
