Kevin Harvick, Kyle Busch and Martin Truex Jr. advanced to the Chase for the Sprint Cup championship finale after surviving a long Sunday that ended with a rain-shortened race at Phoenix International Raceway.
Jimmie Johnson won his fourth consecutive fall race at Texas, overcoming Brad Keselowski's dominating Chase-contending car with three laps to go Sunday.
The 2003 Cup champion will sit out at Texas and Phoenix.
Jeff Gordon will race for a fifth NASCAR championship in his final season, in large part because Matt Kenseth knocking out both of Roger Penske's cars Sunday at Martinsville Speedway.
Joey Logano won his second straight Chase race Sunday, spinning out Matt Kenseth with five laps remaining at Kansas Speedway to potentially spoil his rival's championship hopes.
Joey Logano won at Charlotte Motor Speedway on Sunday to automatically advance to the third round of NASCAR's playoffs.
Kevin Harvick dominated a race he had to win to advance to the second round of NASCAR's playoffs, while six-time champion Jimmie Johnson was a stunning elimination from contention.
Matt Kenseth pushed Kevin Harvick down the stretch and took the lead for good when the defending series champion ran out of gas Sunday at New Hampshire Motor Speedway in the second race of the Chase for the NASCAR Sprint Cup Championship.
Denny Hamlin gave Joe Gibbs Racing a victory in the opening round of NASCAR's playoffs by rallying from a disastrous start at Chicagoland Speedway.
Cochran's Will Fordham won the Junior Enduro race Saturday at Cochran Motor Speedway.