Larger-Than-Life Drone Show Celebrates MassMutual's Sponsorship of the Boston Red Sox
John Hancock ending long-held Boston Red Sox sponsorship
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
MLB's new uniform rules won't prevent Red Sox from keeping Boston traditions – Boston Herald
Red Sox kicks off plan to bring all BPS 6th graders to Fenway Park
Boston Red Sox make history with record $170 million ad-patch deal, other teams to follow suit
The Boston Red Sox announced a major off-the-field partnership with MassMutual
MassMutual lands deal for patch on Red Sox uniforms; Springfield company's deal with $17M yearly (report)
Cleveland Guardians Announce Jersey Sponsorship - Sports Illustrated Cleveland Guardians News, Analysis and More
Red Sox to sport MassMutual logo under new partnership - Boston Business Journal
Red Sox Mass Mutual Collaboration – NBC Boston