Three NASCAR Xfinity Series Playoff contenders were left thinking, ‘What in the world?’ after a 13-car crash on lap 30 of Saturday’s Alsco Uniforms 302 at Las Vegas Motor Speedway. On a restart, the field had bunched up five-wide heading into turn 1. Riley Herbst, who was in the top lane, received contact from Josh … Continue reading Video: Three Xfinity Series Playoff Contenders Swept Up in 13-Car Crash in Stage 1 at Vegas