MassMutual is first jersey patch sponsor of 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

What MLB teams will have uniform ad patches in 2023?

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

What's that patch on Giants jerseys? Everything you need to know about historic partnership – KNBR

Red Sox reveal 2023 uniform change

Red Sox fans dismayed by their team's new sponsored jerseys

MLB Teams with Jersey Patch Sponsors for the 2023 Season - Zoomph

A $17 million annual deal by the Red Sox stokes debate on the value of jersey patches in a market flooded with options

MLB Jersey Patch Market Warming Up As Season Approaches

Logos and uniforms of the Boston Red Sox - Wikipedia

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

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