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

Boston Red Sox starting pitcher Kutter Crawford, left, and catcher Connor Wong, right, talk during a mound visit in the sixth inning of a baseball game against the Texas Rangers in Arlington

Surprising Red Sox Infielder Making Most Of Opportunity So Far In Spring Training - Sports Illustrated Inside The Red Sox

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

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

MassMutual, Red Sox announce multiyear partnership

Boston Red Sox confirm MassMutual as signature sponsor - SportsPro

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

Milwaukee Brewers Add Northwestern Mutual Logo to Jersey – SportsLogos.Net News

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

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

MassMutual, Red Sox announce multiyear partnership

Boston Red Sox Sign Long-Term Jersey Sponsor - Ministry of Sport

Fenway Park Changes, Improvements for 2023 – NBC Boston