Boston Red Sox confirm MassMutual as signature sponsor - SportsPro

Hc 011516 by The Island 360 - Issuu

Boston Red Sox Archives - SportsPro

MassMutual is first jersey patch sponsor of the Red Sox

NYSportsJournalism.com - Home

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

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

Houston Astros reveal Oxy as first ever jersey partner - SportsPro

NYSportsJournalism.com - Home

Red Sox play ball with a new signature sponsor - BOStoday

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

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