MassMutual is first jersey patch sponsor of the Red Sox

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

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

Red Sox reach $170 million jersey-patch deal, Mets also interested

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

Cleveland Guardians to wear Marathon jersey patch

Boston Red Sox make history with record $170 million ad-patch deal, other teams to follow suit

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

MassMutual lands deal for patch on Red Sox uniforms; Springfield company's deal with $17M yearly (report)

MLB Opening Day: Jersey Patches - Foul Or Fair Game?

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

MassMutual is first jersey patch sponsor of the Red Sox

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

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