DOVER, Del. — Greg Biffle has put all those winless races and two empty seasons without a spot in the Chase behind him — just as he's done to the entire Cup field these last couple of weeks.

"Well, I did drive a perfect race today," Biffle said.

Biffle was flawless down the final thrilling laps Sunday and remained unblemished in the Chase for the championship. Two Chase races, two sparkling wins and not a single doubt that he can win the Sprint Cup title.

Biffle used another late pass — this time with nine laps to go — to hold off Roush Fenway Racing teammates Matt Kenseth and Carl Edwards and win at Dover International Speedway.

"I feel like this has been coming for a while," Biffle said. "There's a lot of concentration right now. It doesn't get more important than this."

Up ahead for Biffle is a trip to Kansas City, a track where he won last season before starting a 33-race winless streak. That dismal skid seems as much behind him as his Roush Fenway Racing teammates Kenseth and Edwards were over the final, thrilling laps to make it a back-to-back Biffle celebration.

While Biffle has been able to drive that No. 16 Ford into Victory Lane, he still can't maneuver into first place in the Chase points standings. Biffle and two-time defending Cup champion Jimmie Johnson are both 10 points behind Edwards for the overall lead, but Johnson holds the tiebreaker.

Biffle knows the only way to catch Edwards is to keep winning races.

"The points are frustrating because you would think winning a couple of races you could gain on it," Biffle said.

The three teammates engaged in a fantastic run over the final 20 laps that had to have tugged at owner Jack Roush's loyalties. Biffle, the winner last week at New Hampshire after passing Johnson with 12 laps left, made another textbook move to the outside past Kenseth to pull away.

"I thought I might be able to hang on, but I wasn't sure," Kenseth said.

Kenseth was second, and Edwards third in a wildly successful day for Roush Fenway. Kenseth had a disastrous Chase opener when an accident forced him out of the race and he entered 12th in the standings. He moved to 10th.

"The championship isn't really on my mind at this moment," Kenseth said.