MassMutual is first jersey patch sponsor of the Red Sox

Red Sox will not be affected by MLB's new uniform rules in 2023

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

Chris Cotillo on X: MassMutual is the new “signature partner” of the Red Sox. They get a jersey patch and the sign that replaces the John Hancock sign in center field. /

Red Sox Reportedly Strike $170M Jersey Patch Deal

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

Why MassMutual invested in a jersey sponsorship with the Red Sox

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

Colorful jerseys here to stay: Red Sox president says team not planning future uniform changes, Sports

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

Why are the Angels wearing jersey patches with 'FBM' on them? - Los Angeles Times

Braves add Quikrete as uniform sponsorship patch

3,551 Shirt Sponsor Stock Photos, High-Res Pictures, and Images - Getty Images

Red Sox Mass Mutual Collaboration – NBC Boston

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

Red Sox reportedly sign jersey patch deal with MassMutual