Denny Hamlin celebrates in Victory Lane after winning the NASCAR Sprint Unlimited auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 15, 2014. (AP Photo/John Raoux)
Tony Stewart (14), Jeff Gordon (24), Kurt Busch, second from right, and Matt Kenseth (20) wreck on the front stretch as Dale Earnhardt Jr. (88) goes low to avoid the crash during the NASCAR Sprint Unlimited auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 15, 2014. (AP Photo/Terry Renna)
Jimmie Johnson is helped out of his car after it colliding with the inside wall on the front stretch during the Sprint Unlimited auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 15, 2014. (AP Photo/Phelan M. Ebenhack)
Tony Stewart (14), Jeff Gordon, Kurt Busch and Ricky Stenhouse Jr. (obscured) collide against the wall as Carl Edwards (99) and Matt Kenseth (20) spin out on the front stretch during the NASCAR Sprint Unlimited auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 15, 2014. (AP Photo/Phelan M. Ebenhack)
Danica Patrick, front center, slides through the infield as Tony Stewart, left, Jeff Gordon (24), Kurt Busch (41), Ricky Stenhouse Jr. (17) and Matt Kenseth, right, crash on the front stretch during the NASCAR Sprint Unlimited auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 15, 2014. (AP Photo/Terry Renna)
Matt Kenseth (20) slides backward as he is involved in a crash with Tony Stewart (14), Jeff Gordon (24) and Carl Edwards (99) on the front stretch during the NASCAR Sprint Unlimited auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 15, 2014. (AP Photo/Terry Renna)
Driver Danica Patrick, left, watches as crew members make adjustments to her car during practice for the NASCAR Daytona 500 auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 15, 2014. (AP Photo/John Raoux)
Grant Enfinger, front right, leads a group of cars to the checkered flag to win the ARCA Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 15, 2014. (AP Photo/David Graham)
Grant Enfinger celebrates in Victory Lane after winning the ARCA Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 15, 2014. (AP Photo/Terry Renna)
Grant Enfinger, lower left, celebrates with his crew in Victory Lane after winning the ARCA Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 15, 2014. (AP Photo/Terry Renna)
Grant Enfinger celebrates in Victory Lane after winning the ARCA Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 15, 2014. (AP Photo/Terry Renna)
Driver Bobby Labonte steers his car as his crew pushes him through the garage area during practice for the NASCAR Daytona 500 auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 15, 2014. (AP Photo/John Raoux)
Crew members for driver Tony Stewart work on his car after he had engine problems during a practice for the NASCAR Daytona 500 auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 15, 2014. (AP Photo/Terry Renna)
Driver Martin Truex Jr. gets ready to go out on the track to practice for the NASCAR Daytona 500 auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 15, 2014. (AP Photo/Terry Renna)
Crew members for driver Tony Stewart work on his car after he had engine problems during a practice for the NASCAR Daytona 500 auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 15, 2014. (AP Photo/Terry Renna)
Driver Danica Patrick stands by her car as her crew makes adjustment during a practice for the NASCAR Daytona 500 auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 15, 2014. (AP Photo/John Raoux)
Buster Graham, second from left, checks out his car after being involved in a multi-car wreck on the front stretch during the ARCA Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 15, 2014. (AP Photo/Phelan M. Ebenhack)
Mark Thompson (66) and Buster Graham (99) collide on the front stretch during the ARCA Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 15, 2014. (AP Photo/Phelan M. Ebenhack)
Buster Graham (99) spins along with Justin Allison (88) as other cars try to avoid them during the ARCA Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 15, 2014. (AP Photo/David Graham)
Mark Thompson (66), Jeb Burton (13) and Benny Gordon, back, slide off the track after they were involved in a wreck during the ARCA Series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 15, 2014. (AP Photo/David Graham)