
Mark Martin, right, and Danica Patrick laugh on pit road after their qualifying runs for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. Patrick won the pole, becoming the first woman to secure the top spot for any Sprint Cup race. (AP Photo/John Raoux)

Mark Martin, right, and Danica Patrick laugh on pit road after their qualifying runs for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. Patrick won the pole, becoming the first woman to secure the top spot for any Sprint Cup race. (AP Photo/John Raoux)

Danica Patrick stands by her car on pit road after qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. Patrick won the pole, becoming the first woman to secure the top spot for any Sprint Cup race. (AP Photo/Terry Renna)

Danica Patrick stands by her car on pit road after qualifying for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Sunday, Feb. 17, 2013, in Daytona Beach, Fla. Patrick won the pole, becoming the first woman to secure the top spot for any Sprint Cup race. (AP Photo/Terry Renna)

Brad Keselowsk is dueling with Jimmie Johnson for the Sprint Cup championship, with just races left in the season. (Associated Press)

Brad Keselowsk is dueling with Jimmie Johnson for the Sprint Cup championship, with just races left in the season. (Associated Press)

FILE - In this Feb. 23, 2012, file photo, Brad Keselowski walks along pit road before the first of two NASCAR Gatorade Duel 150 qualifying auto races at Daytona International Speedway in Daytona Beach, Fla. There's debate over where a driver wants to be in the championship standings at this point of the Chase for the Sprint Cup. Keselowski is quite comfortable in the lead. (AP Photo/John Raoux, File)

FILE - In this Feb. 23, 2012, file photo, Brad Keselowski walks along pit road before the first of two NASCAR Gatorade Duel 150 qualifying auto races at Daytona International Speedway in Daytona Beach, Fla. There's debate over where a driver wants to be in the championship standings at this point of the Chase for the Sprint Cup. Keselowski is quite comfortable in the lead. (AP Photo/John Raoux, File)

FILE - In this July 13, 2012, file photo, Kyle Busch prepares for practice for a NASCAR Sprint Cup Series auto race at New Hampshire Motor Speedway in Loudon, N.H. Busch is looking toward the AdvoCare 500 auto race on Sunday, Sept. 2, at Atlanta Motor Speedway as an opportunity to boost his position as he clings to one of the wild card spots for the 12-driver Chase for the Sprint Cup championship. (AP Photo/Jim Cole, File)