What factors caused catastrophic crash between William Byron and Ty Dillon?

William Byron had a chance to win Sunday's NASCAR Cup race at Las Vegas Motor Speedway, but lost the lead after nearly losing control in Turns 1 and 2. As he refocused and set his sights on taking the lead back, Byron's race ended abruptly in a violent and unnecessary wreck.
Byron's No. 24 Hendrick Motorsports Chevrolet slammed into the back of the slowing No. 10 Kaulig Racing Chevrolet of Ty ...Keep reading