A former champion on the reality TV show “American Ninja Warrior” was sentenced to 10 years in federal prison for having child porn and luring a teenage girl to travel across state lines to have sex with him. Andrew Drechsel, 35, of Saint Cloud, Fla., will also have to serve 15 years of supervised release and pay $100,000 restitution to the victim, the U.S. Attorney in New Jersey said in a statement released Wednesday. Drechsel, who won season 11 of “American Ninja Warrior,” pleaded guilty to the sex charges on June 1, 2023, the statement from U.S. Attorney Philip Sellinger said. Between 2014 …