The MassMutual jersey patch is displayed during a Boston Red Sox

St. Louis Cardinals land Stifel as first jersey patch sponsor

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

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

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

MLB's Red Sox land MassMutual as jersey patch sponsor - Sportcal

Boston Red Sox confirm MassMutual as signature sponsor - SportsPro

Boston Red Sox mascots Wally and Tessie display the patch during a News Photo - Getty Images

Boston Red Sox bag US$170m MassMutual jersey patch deal, says report - SportsPro

Cleveland Guardians to wear Marathon jersey patch

Cotillo] Here's what the Red Sox New Jersey patches look like. : r/baseball

Cleveland Guardians join MLB's jersey patch club

MassMutual is first jersey patch sponsor of the Red Sox

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

Red Sox, MassMutual near a $17M jersey patch deal - Boston Business Journal

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