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

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

Houck leads Red Sox past AL East champion Orioles 6-1 in finale - WTOP News

Kenley Jansen hopes that the Red Sox buy at trade deadline

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

Take us out to the ballgame - BOStoday

MassMutual is first jersey patch sponsor of the Red Sox

Boston Red Sox's Narciso Crook talks growing up in Trenton, his favorite local eateries, and the secrets of his success – Trenton Journal

MassMutual is first jersey patch sponsor of the Red Sox

Boston Red Sox sign BetMGM as first betting sponsor

MassMutual, Red Sox announce multiyear partnership

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

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

MLB's announced jersey patch deals so far-San Diego Padres: Motorola. Boston Red Sox: MassMutual. Los Angeles Angels: Foundation Building Materials. Arizona Diamondbacks: Avnet : r/baseball

MassMutual is first jersey patch sponsor of the Red Sox