Boston Red Sox confirm MassMutual as signature sponsor - SportsPro

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

Rt 011516 by The Island 360 - Issuu

Red Sox play ball with a new signature sponsor - BOStoday

Boston Red Sox top prospect Marcelo Mayer belts first professional homer, drives in four runs in FCL game

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

Houston Astros reveal Oxy as first ever jersey partner - SportsPro

MassMutual becomes 'signature sponsor' for Boston Red Sox

Houston Astros reveal Oxy as first ever jersey partner - SportsPro

NYSportsJournalism.com - Home

Boston Red Sox Archives - SportsPro

NYSportsJournalism.com - Home

MassMutual lands deal for patch on Red Sox uniforms; Springfield company's deal with $17M yearly (report)

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

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

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