Zilisch wins rain-shortened Xfinity race at Dover

Lest anyone doubt the all-around natural racing talent of 18-year-old Connor Zilisch, the rookie claimed a series best fourth NASCAR Xfinity Series victory on the season in Saturday's rain-shortened BetRivers 200 at the one-mile Dover (Del.) Motor Speedway.Zilisch led 77 of the race's 134 laps in his No. 88 JR...