SPARTA, Kentucky – Driving his backup car, Brad Keselowski raced to third NASCAR Sprint Cup win of the year, grabbing the lead with 55 laps remaining and holding off all challengers Saturday at Kentucky Speedway. The 28-year-old picked up his seventh win in his five years on the circuit. He won earlier this year at Bristol and Talladega. Kasey Kahne rode a late surge to second place, 4.399 seconds back. Denny Hamlin was third, Dale Earnhardt Jr. fourth and Jeff Gordon fifth. Hamlin announced a new agreement with Joe Gibbs Racing on his Twitter account just before the start. — AP