Jimmie Johnson dominated the field and won a record eighth career race at Dover International Speedway on Sunday in NASCAR's Chase for the Championship.
Matt Kenseth raced past teammate Kyle Busch with 23 laps left and held on to win a rain-delayed Geico 400 at Chicagoland Speedway in Illinois on Sunday night.
Kyle Busch edged Brad Keselowski in a thrilling finish and won the Cheez-It 355 at The Glen at Watkins Glen International in Watkins Glen, N.Y. on Sunday.