Ryan Dungey capped his second 450SX series championship season with a dominating victory Saturday night in the AMA Supercross finale at Sam Boyd Stadium.
The KTM star had eight victories in 17 races. He wrapped up the season title with three races left.
Honda's Eli Tomac was second, followed by Yamaha's Weston Peick.
KTM's Marvin Musquin won the East-West Shootout 250SX race. The Frenchman, the Eastern Regional season champion, had seven victories in nine races.
Honda's Malcolm Stewart was second.
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