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FORT WORTH, TEXAS (AP) -- Brad Keselowski has clinched the Nationwide season title by finishing third in Texas, giving owner Roger Penske his first championship in one of NASCAR's national series.

Keselowski, who had to finish only 21st or better to wrap up the driver's championship with two races left, crossed the line behind winner Carl Edwards and runner-up Kyle Busch on Saturday.

While Keselowski did celebratory doughnuts in his No. 22 Dodge, Edwards got the checkered flag and went into the stands to mark his 28th career Nationwide victory with fans.

Edwards charged ahead on the final restart, a green-white-checker finish that added five laps to the scheduled 200-lap race. Busch was denied a NASCAR-record sixth consecutive win at Texas.

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