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

Red Sox Mass Mutual Collaboration – NBC Boston

jerseys – Blogging the Red Sox

Red Sox Reportedly Strike $170M Jersey Patch Deal

Red Sox play ball with a new signature sponsor - BOStoday

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

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

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

Boston Red Sox confirm MassMutual as signature sponsor - SportsPro

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

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

Red Sox debut new uniform advertisements as part of 10-year deal with MassMutual, Sports

Chris Cotillo on X: MassMutual is the new “signature partner” of the Red Sox. They get a jersey patch and the sign that replaces the John Hancock sign in center field. /