Not a lot scares Carolina Panthers linebacker Thomas Davis so he was comfortable going a few laps around Charlotte Motor Speedway at 165 mph with NASCAR driver Dale Earnhardt Jr. Davis, this year's NFL Walter Payton Man of the Year, was selected to be the honorary pace car driver for the Coca-Cola 600 on Sunday. ''That was an adrenaline rush,'' Davis said as he emerged from Earnhardt's No. 88 Nationwide car with a smile. Earnhardt said he pushed the car to the max, but it didn't seem to make the 10-year NFL veteran flinch. More...