MassMutual will be the first sponsor to have its logo on Red Sox

Red Sox Sign Japanese Batting Champ Yoshida - Rafu Shimpo

Boston Red Sox's Narciso Crook talks growing up in Trenton, his favorite local eateries, and the secrets of his success – Trenton Journal

Red Sox Foundation

Brattleboro man honored at Red Sox EMS Night, Community News

MLB Team Sponsorship Revenue Grew To $1.5 Billion In 2023, Report Shows

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

Kiké Hernandez isn't a fan of the Red Sox's new ad patch

Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe

NHL Partner MassMutual to Debut 'On and Off the Ice' Spot During Winter Classic

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

MLB Jerseys' to Feature Corporate Sponsor Logos for First Time Ever In 2023

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

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