MassMutual, Red Sox announce multiyear partnership
Red Sox uniforms will be unaffected by new MLB rules in 2023
Larger-Than-Life Drone Show Celebrates MassMutual's Sponsorship of the Boston Red Sox
MassMutual is first jersey patch sponsor of the Red Sox
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
Boston Red Sox make history with record $170 million ad-patch deal, other teams to follow suit
Boston Red Sox bag US$170m MassMutual jersey patch deal, says report - SportsPro
Red Sox Reportedly Strike $170M Jersey Patch Deal
Red Sox reportedly sign jersey patch deal with MassMutual
Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal
Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News