MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe

Red Sox play ball with a new signature sponsor - BOStoday

MLB Teams with Jersey Patch Sponsors for the 2023 Season - Zoomph

Boston Red Sox mascots Wally and Tessie display the patch during a News Photo - Getty Images

Red Sox Mass Mutual Collaboration – NBC Boston

Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News

Boston Red Sox and Springfield-based life insurer, MassMutual partner up

Cleveland Guardians Announce Jersey Sponsorship - Sports Illustrated Cleveland Guardians News, Analysis and More

Red Sox Sign Japanese Batting Champ Yoshida - Rafu Shimpo

Yankees Jersey Patch Deal Is MLB's Richest at $25M a Year –

MassMutual logo patches

MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster

Final Red Sox homestand of the year is one of lasts – Boston 25 News

MassMutual is first jersey patch sponsor of the Red Sox

Chris Sale credited Alex Cora's 'Dodgeball' reference after first win

Red Sox will have MassMutual logo on their jerseys beginning in 2023