Boston Red Sox confirm MassMutual as signature sponsor - SportsPro

Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal

MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe

Red Sox to sport MassMutual logo under new partnership - Boston Business Journal

Boston Red Sox bag US$170m MassMutual jersey patch deal, says report - SportsPro

Red Sox reach $170 million jersey-patch deal, Mets also interested

Gn 011516 by The Island 360 - Issuu

Proud Partner of the Boston Red Sox

Rt 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

Red Sox Mass Mutual Collaboration – NBC Boston

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