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Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
Proud Partner of the Boston Red Sox
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Sox say so long to John Hancock. But hello maybe to MassMutual
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MassMutual will be the first sponsor to have its logo on Red Sox
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Red Sox debut new uniform advertisements as part of 10-year deal
Proud Partner of the Boston Red Sox
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Houston Astros reveal Oxy as first ever jersey partner - SportsPro
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MassMutual lands deal for patch on Red Sox uniforms; Springfield
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Men's Boston Red Sox Pro Standard White Team Logo T-Shirt
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Hc 011516 by The Island 360 - Issuu
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Red Sox to sport MassMutual logo under new partnership - Boston