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Saturday, March 15, 2014
Updated: March 16, 11:02 AM ET
James Stewart wins in Detroit

Associated Press

DETROIT -- James Stewart won the AMA Supercross race Saturday night at Ford Field to tie Ricky Carmichael for second place on the career victory list with 48.

Stewart, the Yoshimura Suzuki rider from Haines City, Fla., has three 450SX Class victories this season.

Kawasaki's Ryan Villopoto was second, followed by KTM riders Ryan Dungey and Andrew Short. Villopoto leads the season standings, 30 points ahead of Dungey. Stewart is third, 49 points back.

Earlier, Adam Cianciarulo raced to his third Eastern Regional 250SX Class victory in five events this season. Cianciarulo, the 17-year-old Kawasaki rider from Port Orange, Fla., held off Honda's Justin Bogle.

Cianciarulo extended his points lead to 17 points over teammate Martin Davalos.