Top 10 Power Rankings

4. Chris Buescher: took the lead on the final restart and held on to win the Coke Zero Sugar 400 at Daytona.

Chris Buescher held off the charging Martin Truex Jr. late at Michigan to win the FireKeepers Casino 400, his second consecutive win.

Kyle Larson took the lead with a quick pit stop on lap 375 and held on through two restarts to win the Toyota Owners 400.

William Byron was strong early in the United Rentals Work United 400, winning Stage 1. After falling back from the front late, Byron used a fast two-tire pit stop, and two timely cautions, to win his second consecutive race.

Joey Logano battled Ross Chastain over the closing laps and got by with three laps to go and held on to win the South Point 400 at Las Vegas.

Christopher Bell took a dramatic win at Charlotte, using new tires on a late pit stop, got past Kevin Harvick on Lap 111 and pulled away for the win.

Chase Elliott passed Ryan Blaney on the final lap to win the YellaWood 500 at Talladega, advancing to the Round Of 8.

Tyler Reddick led 70 laps and won the EchoPark Automotive 500 at Texas, his third win of the year.

Denny Hamlin started strong in the Playoffs, finishing second in the Cook Out Southern 500.

Kyle Larson stalked Hendrick Motorsports teammate Chase Elliott over the final laps at Watkins Glen, and finally forced his way by on the final restart. Then Larson repelled the challenge of A.J. Allmendinger to win the Go Bowling At The Glen.