Rolex 24 update at Hour 21: No. 7 Porsche leads No. 31 Cadillac as Penske hunts Daytona victory
Porsche Penske Motorsport is three hours away from delivering Roger Penske his first Rolex 24 at Daytona victory in 55 years. Through 21 hours, Felipe Nasr had the No. 7 Porsche 963 in first by more ...