NHL Partner MassMutual to Debut 'On and Off the Ice' Spot During Winter Classic
Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal
Cleveland Guardians Announce Jersey Sponsorship - Sports Illustrated Cleveland Guardians News, Analysis and More
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
MassMutual is first jersey patch sponsor of the Red Sox
Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News
Red Sox reveal 2023 uniform change
A $17 million annual deal by the Red Sox stokes debate on the value of jersey patches in a market flooded with options
Red Sox, MassMutual Partner Up
Yankees Announce Starr Insurance Jersey Patch, Partnership in Video, News, Scores, Highlights, Stats, and Rumors
Boston Red Sox make history with record $170 million ad-patch deal, other teams to follow suit