MLB uniforms will have advertising beginning in the 2023 season - The Boston Globe
Batter Up, Brands: MLB Jersey Patch Deals are Changing the Game for Sponsors - SponsorUnited
Phillies in talks to land big-money jersey sponsorship by Opening Day - Philadelphia Business Journal
Miami Marlins Sign Jersey Patch Deal With ADT Worth Estimated $5M/Year –
Fanatics unveils special MLB Debut Patches for player jerseys, rookie cards - Sports Collectors Digest
What Could've Been: Our First Look at the Cancelled Under Armour MLB Jersey – SportsLogos.Net News
MLB expected to introduce advertising patches to uniforms within three years, report says
Corporate Ads on MLB Uniforms: A History and FAQ
Sponsor patches on MLB jerseys are more than what they seam