Boston Red Sox confirm MassMutual as signature sponsor - SportsPro

MassMutual is first jersey patch sponsor of the Red Sox

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

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

MassMutual, Red Sox announce multiyear partnership

Red Sox play ball with a new signature sponsor - BOStoday

Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023

Boston Red Sox confirm MassMutual as signature sponsor - SportsPro

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

Gn 011516 by The Island 360 - Issuu

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

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

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

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