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NASCAR Top-10 Power Rankings: Darlington

Kyle Busch: An engine change sent Busch to the rear at the start, but he steadily climbed forward, ultimately falling short of catching Joe Gibbs Racing teammate Erik Jones, who secured his first win of the year.

NASCAR Top-10 Power Rankings: Bristol

Denny Hamlin started on the pole at Bristol and overcame a number of impediments, including a loose wheel, contact with Jimmie Johnson, and falling a lap down at one point.

NASCAR Top-10 Power Rankings: Watkins Glen

Chase Elliott started on the pole and won the Go Bowling At The Glen, earning his second consecutive win at Watkins Glen.

NASCAR Top-10 Power Rankings: New Hampshire

Kyle Busch started second in the Foxwoods Resort Casino 301 and finished eighth, despite a brush with the wall in the final stage.

NASCAR Top-10 Power Rankings: Kentucky

Kurt Busch made a move from third on the final restart at Kentucky, and held off younger brother Kyle to win his first race of the season.

NASCAR Top-10 Power Rankings: Daytona

Martin Truex Jr. was one of 17 cars victimized on lap 119 when Austin Dillon and Clint Bowyer made contact, spinning Dillion into oncoming traffic. Truex finished 22nd.

NASCAR Top-10 Power Rankings: Sonoma

Martin Truex Jr. assumed the lead on Lap 68 and held off Joe Gibbs Racing teammate Kyle Busch to win the Toyota Save/Mart 350.

NASCAR Top-10 Power Rankings: Michigan

Joey Logano started on the pole and survived an overtime restart to win at Michigan, giving Penske Racing its fifth win of the season.

NASCAR Top-10 Power Rankings: Pocono

Kyle Busch started second at Pocono and led 79 laps on his way to the win in the Pocono 400. It was Busch's fourth win of the season.

NASCAR Top-10 Power Rankings: Kansas

Kyle Busch was in contention for the in on Saturday night at Kansas before a flat right-rear tire ruined his night. He finished 30th, three laps down.