The guy who led the FBI to the stolen Tom Brady Super Bowl jerseys says he TRIED to give the tip to the NFL security team ... BUT THEY BLEW HIM OFF!!!!
We spoke with Dylan Wagner -- the 19-year-old sports memorabilia collector who was innocently doing business with Mauricio Ortega when he realized the guy was in possession of stolen property.
Wagner tells TMZ Sports ... when he got the photo proof Ortega had the goods, he went to the NFL, the Patriots and the Houston P.