BROOKLYN, Mich. -- Greg Biffle is making winning look easy.

Biffle won for the fifth time in 15 Nextel Cup starts this season, outdueling Tony Stewart on Sunday to take the Batman Begins 400 at Michigan International Speedway.

The powerful Roush Racing team, winner of the last two season championships, won its eighth race of the season. It was another strong showing for the entire team, with three of Biffle's four teammates finishing in the top five and the fifth driver, defending series champ Kurt Busch, fading to 12th after running in the top 10 throughout most of the 200-lap event.

Stewart led a race-high 97 laps but lost a strategy battle at the end. More