Things can take a dangerous turn in an instant in motorsports, and former UFC heavyweight  Brandan Schaub found that out the hard way.   The 40-year old flipped his truck in an off-road incident but was not seriously injured in the frightening rollover.  On Tuesday, he posted a video of the crash to social media.  Schaub hit is head on the drivers side window and received a concussion in the incident.   The former fighter was violently thrown around during the wreck and was lucky to escape without serious injuries.