Only Tony Stewart, Jeff Gordon, Jimmie Johnson and Denny Hamlin have clinched spots in NASCAR’s championship Chase heading into the Sprint Cup regular-season finale Saturday night at Richmond, Va. Eleven drivers remain mathematically in contention for the final eight spots, with Matt Kenseth (who joins Johnson as the only drivers to qualify for the Chase every year since it began in 2004) on the bubble. Points are scaled from 185 for a win to 34 for placing 43rd, with five bonus points awarded for leading a lap and five for leading the most laps. The contenders:

Carl Edwards

Now: Fifth, 105 points ahead of 13th place. Clinches if: Finishes 24th or better or 25th and leads a lap.

At Richmond: 0 wins, 0 top fives, 3 top 10s in 10 starts.

Kasey Kahne

Now: Sixth, 96 points ahead of 13th place. Clinches if: Finishes 21st or better or 23rd and leads a lap.

At Richmond: 1 win, 2 top fives, 5 top 10s in 11 starts.

Kurt Busch

Now: Seventh, 95 points ahead of 13th place. Clinches if: Finishes 20th or better or 22nd and leads a lap.

At Richmond: 1 win, 2 top fives, 5 top 10s in 17 starts.

Juan Pablo Montoya

Now: Eighth, 88 points ahead of 13th place. Clinches if: Finishes 18th or better or 20th and leads a lap.

At Richmond: 0 wins, 0 top fives, 1 top 10 in five starts.

Ryan Newman

Now: Ninth, 81 points ahead of 13th place. Clinches if: Finishes 16th or better or 17th and leads a lap.

At Richmond: 1 win, 5 top fives, 9 top 10s in 15 starts.

Mark Martin

Now: 10th, 69 points ahead of 13th place. Clinches if: Finishes 12th or better or 14th and leads a lap.

At Richmond: 1 win, 16 top fives, 26 top 10s in 47 starts.

Greg Biffle

Now: 11th, 68 points ahead of 13th place. Clinches if: Finishes 11th or better or 13th and leads a lap.

At Richmond: 0 wins, 2 top fives, 5 top 10s in 14 starts.

Matt Kenseth

Now: 12th, 20 points ahead of 13th place. Clinches if: Finishes second and leads a lap.

At Richmond: 1 win, 3 top fives, 9 top 10s in 19 starts.

Brian Vickers

Now: 13th, 20 points out of 12th place. Clinches if: Gains 21 points on Kenseth and stays ahead of Kyle Busch and David Reutimann.

At Richmond: 0 wins, 0 top fives, 1 top 10 in 10 starts.

Kyle Busch

Now: 14th, 37 points out of 12th place. Clinches if: Gains 38 points on Kenseth and 18 on Vickers.

At Richmond: 1 win, 7 top fives, 7 top 10s in nine starts.

Note

David Reutimann is still mathematically eligible, 132 behind Kenseth.