The cars of Andy Lally (71), Brian Keselowski (92), Joe Nemecheck (87), AJ Allmendinger (43), Greg Biffle (16), Michael Waltrip (15), Matt Kenseth (17), Jimmie Johnson (48), Mark Martin (5), Brian Vickers (83), Marcos Ambrose (9), and David Reutimann (00) crash during the Daytona 500 NASCAR auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 20, 2011. (AP Photo/Glenn Smith)

Photo by: Glenn Smith

The cars of Andy Lally (71), Brian Keselowski (92), Joe Nemecheck (87), AJ Allmendinger (43), Greg Biffle (16), Michael Waltrip (15), Matt Kenseth (17), Jimmie Johnson (48), Mark Martin (5), Brian Vickers (83), Marcos Ambrose (9), and David Reutimann (00) crash during the Daytona 500 NASCAR auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 20, 2011. (AP Photo/Glenn Smith)