Justin Allgaier completes Xfinity weekend sweep at Richmond

Justin Allgaier saw a more than 9-second lead evaporate when a late caution flag flew, but he pulled away again on a restart with 13 laps to go to complete a sweep of a NASCAR Xfinity series doubleheader weekend at Richmond Raceway on Saturday.Allgaier, who lost the lead when he had trouble on a previous restart, had no such issues starting on the inside last with Jeb Burton to his outside and Ross Chastain behind him.Burton held on for second, followed by Chastain, Harrison Burton and Justin Ha