The field take the green flag to start the NASCAR Daytona 500 Sprint Cup series auto race at Daytona International Speedway, Sunday, Feb. 23, 2014, in Daytona Beach, Fla. (AP Photo/David Graham)
The field take the green flag to start the NASCAR Daytona 500 Sprint Cup series auto race at Daytona International Speedway, Sunday, Feb. 23, 2014, in Daytona Beach, Fla. (AP Photo/John Raoux)
Race fans take cover from the rain in the stands during the NASCAR Daytona 500 auto race at Daytona International Speedway, Sunday, Feb. 23, 2014, in Daytona Beach, Fla. (AP Photo/Phelan M. Ebenhack)
Martin Truex Jr waist by his car before practice for Sunday's NASCAR Daytona 500 Sprint Cup series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 22, 2014. (AP Photo/Terry Renna)