CONCORD, NC - MAY 22: Dale Earnhardt Jr. , driver of the #88 AMP Energy/National Guard Chevrolet, stands in the garage area during practice for the NASCAR Sprint Cup Series Coca-Cola 600 on May 22, 2008 at Lowe's Motor Speedway in Concord, North Carolina. Getty Images logo Getty Images 18 months ago

CONCORD, NC - MAY 22: Dale Earnhardt Jr. , driver of the #88 AMP Energy/National Guard Chevrolet, stands in the garage area during practice for the NASCAR Sprint Cup Series Coca-Cola 600 on May 22, 2008 at Lowe's Motor Speedway in Concord, North Carolina.