MLB Teams with Jersey Patch Sponsors for the 2023 Season - Zoomph
MassMutual is first jersey patch sponsor of the Red Sox
Red Sox Winter Weekend
MassMutual is first jersey patch sponsor of the Red Sox
Red Sox kicks off plan to bring all BPS 6th graders to Fenway Park
jerseys – Blogging the Red Sox
OTM Open Thread 12/5: It is Monday - Over the Monster
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
John Henry, Chaim Bloom receive frigid reception at Red Sox Winter Weekend, Red Sox
John Hancock ending long-held Boston Red Sox sponsorship
Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News