The two legendary boxers returned to the ring for an eight-round exhibition match that ended in a draw on Saturday night. Speaking to reporters after the fight, Tyson said he had also smoked a joint right before appearing in front of them. I smoked during fights. I just have to smoke, I’m sorry. I’m a smoker. … I smoke everyday. I never stopped smoking, Mike Tyson, via 'USA Today'.Tyson recently founded the cannabis company Tyson Ranch. He told reporters that marijuana does not "numb the pain," but that "it just numbs me." The fighter says he's been clean from cocaine for two and a half years. While the fighters were tested for performance enhancing drugs before the bout, marijuana was not on the list.