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

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

UniWatch] Gross: Red Sox Reveal Uniform Advertisement for 2023 : r/baseball

MassMutual is first jersey patch sponsor of the Red Sox

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. /

jerseys – Blogging the Red Sox

MLB Jersey Patch Market Warming Up As Season Approaches