Keselowski advances to the final round at the expense of Denny Hamlin, who had the best vehicle throughout much of Sunday's race.
So the championship four is finally set now - Keselowski joins Martin Truex Jr., Kyle Busch, and Kevin Harvick - and now we have to wait just one more week to have our next NASCAR Cup Series champion. However, the Penske Racing star would get some help with Denny Hamlin wrecking out late.
During the ensuing pit stop, the jack on Hamlin's vehicle was dropped before all the lugnuts on the tire were secured. He advances into the final round of the Chase at Homestead, and will race for the championship.
Kenseth continued to lead until Elliott was able to pass him with 28 laps remaining.
Larson took the lead with a pass of playoff driver Denny Hamlin, who led 40 of the stage's 75 laps.
After the red flag to extinguish the fire, Elliott started marching to the front and had his run-in with Hamlin.
After pole-sitter Ryan Blaney and Elliott led laps early, Hamlin took the lead on Lap 26 but lost that lead to Larson on Lap 68.
The Manchester High School graduate finished second to Kyle Larson in the opening stage, earning nine bonus points.
Jimmie Johnson, who qualified for the round of 8, had a tire go down on Lap 150 and hit the wall, ending his championship hopes.
Through Stage 1, Hamlin is on track to punch his ticket to Homestead-Miami Speedway.
The fourth driver eliminated from the playoffs was Blaney.
Kenseth will enter the final race of the year in seventh place, coming off a fifth-place finish last season. Kevin Harvick is the winningest driver at Phoenix with eight victories, including four straight between 2013 and 2015.
Andretti is the only driver to ever win NASCAR's Daytona 500, IndyCar's Indianapolis 500 and Formula 1's world championship, so he has a little experience in NASCAR.
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