KNOXVILLE, Iowa (AP) — Donny Schatz charged from the back of the field Saturday night to win the Knoxville Nationals sprint car race for the seventh time in eight years. Schatz earned $150,000 for winning the world’s premier sprint car event. Schatz started 21st, the furthest back of any winner at the nationals. Brian Brown was second, followed by Justin Henderson, Paul McMahan and Chad Kemenah.