Ryan Dungey raced to his rookie-record 10th 450 Class victory, winning both motos Saturday night in the AMA Pro Motocross Championship's season-ending Pala Motocross National at Pala Raceway. Dungey, the Rockstar/Makita Suzuki rider from Belle Plaine, Minn., broke the rookie record of nine set by Ricky Carmichael in 2000. Earlier, Dungey became the first rider to sweep the AMA Supercross and Motocross season championships http://sports.espn.go.com/rpm/racing/news/story?id=5562601
