Say It Ain't So: MLB Reportedly Eyes Ad Patches by 2022
Why are the Angels wearing jersey patches with 'FBM' on them? - Los Angeles Times
Advertising patches “inevitable” on MLB uniforms after NBA success
MLB Sleeve Patches Could Be More Valuable Than NBA Jersey Ads, According to Nielsen Analysis
Sponsor patches on MLB jerseys are more than what they seam
Sports and Sponsorships: MLB Seeks Revenue Home Run
Marathon Patch Will Appear on Jersey of MLB's Cleveland Guardians
Advertising Patches Are A Possibility For MLB, by Kathryn Kuchefski, Instant Sponsor
The MLB has approved uniform ads, coming to a dugout near you! : r/mlb
Sports Jersey Patch Sponsorship Deals Rise - Brian J. Murphy