Many times we feel a bit of "road rage" when someone cuts us off in traffic. Well, this can also happen on the race track.
At Bowman Gray Stadium in Winston-Salem, North Carolina, driver Derek Stoltz knocked out Bryant Robertson and later knocked out Bryant's brother Mike.
A very angry Mike approached Stoltz's car, and as Stoltz started to drive away, Robertson grabbed onto his car window. The plan backfired as Robertson was tossed into a wall after he lost his grip on the car. He then got up and continued to chase the car until being stopped by a security truck.