SPEED SPORT Power Rankings

David Gravel (Saroyan Humphrey photo)
David Gravel (Saroyan Humphrey photo)

4. David Gravel

David Gravel earned the biggest victory of his career when he topped the Aug. 10 NOS Energy Drink Knoxville Nationals at Iowa’s Knoxville Raceway. Gravel picked up his seventh World of Outlaws NOS Energy Drink Sprint Car Series win of the season at Montana’s Big Sky Speedway.