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

Iconic Massachusetts Brands Unite: MassMutual Named Signature Partner and First Ever Jersey Patch Sponsor of the Boston Red Sox

Ex-Yankees pitchers destined to miss Red Sox Opening Day

jerseys – Blogging the Red Sox

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

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

Why are the Angels wearing jersey patches with 'FBM' on them? - Los Angeles Times

MLB's new uniform rules won't prevent Red Sox from keeping Boston traditions – Boston Herald

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

Red Sox Sign Japanese Batting Champ Yoshida - Rafu Shimpo

Red Sox, MassMutual Partner Up

Jennifer Halloran on LinkedIn: FIFA Women's World Cup + Frito-Lay, Taste of Greatness

Official Charity of the Boston Red Sox Red Sox Foundation - Red Sox Foundation

Take us out to the ballgame - BOStoday

jerseys – Blogging the Red Sox