MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
Fenway Park Changes, Improvements for 2023 – NBC Boston
Red Sox To Wear Uniform Advertisements in 2023 - Metsmerized Online
Baseball looks a little uglier but business is booming - The Hustle
What MLB teams will have uniform ad patches in 2023?
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
Boston Red Sox Announce MassMutual Patch on Jerseys Starting in 2023 – SportsLogos.Net News
Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023
Sox say so long to John Hancock. But hello maybe to MassMutual. - The Boston Globe
Red Sox reveal first-ever uniform advertisements; MassMutual patches coming in 2023
Chaim Bloom assesses Red Sox at halfway point
MLB's new uniform rules won't prevent Red Sox from keeping Boston traditions – Boston Herald
David Ortiz wonders if Rafael Devers is ready to be Red Sox' leader – NBC Sports Boston
(2) 2023 Boston Red Sox MassMutual Advertising Jersey Patch
MLB Teams with Jersey Patch Sponsors for the 2023 Season - Zoomph