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

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

MLB Jersey Patch Market Warming Up As Season Approaches

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

Take us out to the ballgame - BOStoday

Red Sox Reportedly Strike $170M Jersey Patch Deal

MassMutual, Red Sox announce multiyear partnership

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

Red Sox set the jersey sponsorship market with 10-year, $17mil annual deal with Mass Mutual : r/redsox

Red Sox kicks off plan to bring all BPS 6th graders to Fenway Park

MassMutual is first jersey patch sponsor of the Red Sox

Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023

Chris Creamer SportsLogos.Net on X: The Diamondbacks join the San Diego Padres and Boston Red Sox as the first three MLB teams to announce in-game jersey ads for 2023 /

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