Former Knoxville PE teacher and football coach Troy Rider has pled not guilty and waived his right to a speedy trial in Marion County District Court. Rider is facing two charges of sexual abuse 3rd degree, class C felonies; and one charge of sexual exploitation by a school employee, a class D felony. Rider is scheduled to appear for a pretrial conference on May 30 at 9:30, at the Marion County Courthouse.