Yankees add Starr Insurance patch to uniform, becoming 13th MLB team with jersey sponsor - The Athletic

MassMutual is first jersey patch sponsor of the Red Sox

NYSportsJournalism.com - NY Yankees Sign $220M Partner, Jersey Patch Deal - Yankees Sign $200M Signature Partner, Sleeve Patch Deal With Starr Insurance

History of the Philadelphia Phillies - Wikipedia

NYSportsJournalism.com - NY Yankees Sign $220M Partner, Jersey Patch Deal - Yankees Sign $200M Signature Partner, Sleeve Patch Deal With Starr Insurance

MLB Team Values: Yankees Lead at $7.1B, as Sport Faces RSN Reckoning –

New York Yankees agree to jersey patch sponsorship with Starr Insurance

What is the New York Yankees jersey patch? Starr Insurance added as 13th MLB sponsor

The Yankees Are Sell Outs - Will Add Sponsor Patches To Iconic Jersey – OutKick

Miami Marlins Sign Jersey Patch Deal With ADT Worth Estimated $5M/Year –

Why don't American professional sports teams have sponsors on their uniforms as in Europe? - Quora