Boston Red Sox confirm MassMutual as signature sponsor - SportsPro

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

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

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

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

20160115 xbs wit by The Island 360 - Issuu

MassMutual, Red Sox announce multiyear partnership

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

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

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

Iconic Massachusetts Brands Unite: MassMutual Named Signature Partner and First Ever Jersey Patch Sponsor of the Boston Red Sox

Boston Red Sox confirm MassMutual as signature sponsor - SportsPro

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