Austin Dillon climbed out of his No. 3 truck and dived across the rain-soaked grass. He took another header a few minutes later -- on concrete. Yep, the youngster wanted to celebrate by planking on pavement. "That's called the Superman," Dillon said. It was the biggest chance he took all night. All Dillon needed to do was stay out of trouble in the season finale and run like he has all season -- near the front -- and he would win the NASCAR Truck Series championship. So he played it safe and ended up with the biggest milestone of his life. The 21-year-old grandson of NASCAR team owner Richard Childress finished 10th in the Truck Series finale at Homestead-Miami Speedway on Friday night -- good enough to win the series title. Read more: http://espn.go.com/racing/nascar/tr...tin-dillon-wins-trucks-championship-homestead
