Dungey, Barcia win at Thunder Valley
Red Bull KTM's Ryan Dungey swept the motos Saturday to win the 450 Class for the first time on the AMA Pro Motocross season at Thunder Valley MX Park in Lakewood, Colo.
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Dungey had finished second behind Team Yoshimura Suzuki's James Stewart in each of the first two rounds of the season and won at Thunder Valley for the third consecutive year.
Stewart crashed ...
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