Boston Red Sox confirm MassMutual as signature sponsor - SportsPro
Boston Red Sox sign BetMGM as first betting sponsor
Baseball looks a little uglier but business is booming - The Hustle
The Boston Red Sox announced a major off-the-field partnership
MassMutual lands deal for patch on Red Sox uniforms; Springfield
MassMutual is first jersey patch sponsor of the Red Sox
Jennifer Halloran posted on LinkedIn
Chris Creamer SportsLogos.Net on X: The Diamondbacks join the
Red Sox debut new uniform advertisements as part of 10-year deal
Boston Red Sox make history with record $170 million ad-patch deal
Official Charity of the Boston Red Sox
Boston Red Sox Announce MassMutual Patch on Jerseys Starting in
Boston Red Sox mascots Wally and Tessie display the patch during a
Chris Sale returns from injury, leads Red Sox over Tigers