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

Red Sox, MassMutual Partner Up

Boston Red Sox confirm MassMutual as signature sponsor - SportsPro

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

Red Sox to sport MassMutual logo under new partnership - Boston Business Journal

Red Sox play ball with a new signature sponsor - BOStoday

A rough patch: the Astros' new sponsorship deal with Oxy is doubly ugly, Houston Astros

The Boston Red Sox announced a major off-the-field partnership with MassMutual

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

MLB's announced jersey patch deals so far-San Diego Padres: Motorola. Boston Red Sox: MassMutual. Los Angeles Angels: Foundation Building Materials. Arizona Diamondbacks: Avnet : r/baseball

MLB's Red Sox land MassMutual as jersey patch sponsor - Sportcal

Larger-Than-Life Drone Show Celebrates MassMutual's Sponsorship of the Boston Red Sox

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

MassMutual is first jersey patch sponsor of the Red Sox

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

MLB Jersey Patch Market Warming Up As Season Approaches