Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
Hc 011516 by The Island 360 - Issuu
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Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe
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Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023
MassMutual is first jersey patch sponsor of the Red Sox
Red Sox reach $170 million jersey-patch deal, Mets also interested
Rt 011516 by The Island 360 - Issuu
Men's Boston Red Sox Pro Standard White Team Logo T-Shirt
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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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It's come to this: our Red Sox as human billboards