Boston Red Sox confirm MassMutual as signature sponsor - SportsPro

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

Red Sox Mass Mutual Collaboration – NBC Boston

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

Marcus Smart loving Trevor Story, Franchy Cordero wearing his 36 as Red Sox wear Celtics jerseys on plane to Chicago

It's come to this: our Red Sox as human billboards

Red Sox play ball with a new signature sponsor - BOStoday

Red Sox debut new uniform advertisements as part of 10-year deal with MassMutual, Sports

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

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Red Sox play ball with a new signature sponsor - BOStoday

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

Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe

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