For your reasons of this market, a KO contains the next: referee stoppage even though either fighter is, or each fighters are, standing; referee stoppage when either fighter is, or both of those fighters are, about the canvas; stoppage by medical doctor; Both drivers have to start the race (e.g. https://www.jackpotbetonline.com/betway-has-the-same-opinion-three-year-as-roma-deal-regardless-of-talents-gaming-sponsor-ban-in-italy/