A semi-professional football team, which recently relocated to Pella, will be holding a free agent tryout tomorrow. The Pella Knights, formerly the Bridge City Knights of Ottumwa are holding the open auditions, which will consist of various field drills, as well as kicking demonstrations. There is a $20 registration fee, and a waiver release form must be completed and signed during registration. The tryouts for the Pella Knights semi-professional football team will be held tomorrow evening from 5:00 to 9:00 p.m. at the William Penn PAC Center in Oskaloosa.