FIRST LOOK: sponsor patches on 2023 MLB jerseys
Crazy Quilt: Jersey Sponsorships Result in Patchwork of Deals - TicketManager
MassMutual will be advertising on the Red Sox jersey in 2023. - Over the Monster
Boston Red Sox bag US$170m MassMutual jersey patch deal, says report - SportsPro
Yankees Announce Starr Insurance Jersey Patch, Partnership in Video, News, Scores, Highlights, Stats, and Rumors
MassMutual will be the first sponsor to have its logo on Red Sox uniforms - The Boston Globe
Kiké Hernandez isn't a fan of the Red Sox's new ad patch
MLB's new uniform rules won't prevent Red Sox from keeping Boston traditions – Boston Herald
Why are the Angels wearing jersey patches with 'FBM' on them? - Los Angeles Times