NASCAR race today, live updates: Leaderboard, highlights for Las Vegas

When the checkered flag drops on the evening of Sunday, Oct. 2 at Las Vegas Motor Speedway, the postseason Chase for the NASCAR Cup Series championship will be halfway over.Heading into the South Point 400, Kyle Larson is the leader at the top of the standings with a 26-point edge over regular season champion Denny Hamlin, but Hamlin is the pole-sitter for Sunday’s race and will aim to win a third consecutive race at Las Vegas.And for all the talk after Larson’s win at Kansas about t