Five things to know about what's going on at Daytona International Speedway in advance of the season-opening Daytona 500 on Sunday: --- NO. 1: The iconic No. 3, the one the late Dale Earnhardt drove to 67 wins - including the 1998 Daytona 500 - and six championships, is back on top at Daytona International Speedway. Sprint Cup rookie Austin Dillon took the fabled number out of hibernation and to the front of the field for next Sunday's Daytona 500. Dillon won the pole for ''The Great American Race'' in the No. 3 Chevrolet, a car team owner Richard Childress had refused to field at NASCAR's top level since Earnhardt's fatal accident on the last lap of the 2001 season opener. More...