Feb 15, 2013; Daytona Beach, FL, USA; NASCAR Sprint Cup Series driver Dale Earnhardt Jr. (88) leads Greg Biffle (16), and Kasey Kahne (5), and Martin Truex Jr. (56) and Kevin Harvick (29) through turn... more 

Feb 15, 2013; Daytona Beach, FL, USA; NASCAR Sprint Cup Series driver Dale Earnhardt Jr. (88) leads Greg Biffle (16), and Kasey Kahne (5), and Martin Truex Jr. (56) and Kevin Harvick (29) through turn four during a practice session for the Sprint Unlimited at Daytona International Speedway. (Douglas Jones-USA TODAY Sports) less