MassMutual is first jersey patch sponsor of the Red Sox

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

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

Yankees Announce Starr Insurance Jersey Patch, Partnership in Video, News, Scores, Highlights, Stats, and Rumors

Braves add Quikrete as uniform sponsorship patch

OTM Open Thread 12/5: It is Monday - Over the Monster

A rough patch: the Astros' new sponsorship deal with Oxy is doubly ugly, Houston Astros

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

Cleveland Guardians to wear Marathon jersey patch

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

Crazy Quilt: Jersey Sponsorships Result in Patchwork of Deals - TicketManager

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