“That’s an illegal elbow, Jon!” Mazzagatti shouted as the last of Jones’ elbows came hurtling down and Mazzagatti rushed in. “You can’t do 12-to-six,” Rogan explained on the broadcast, attempting to shed some light on one of the least understood rules in MMA. “The up-down elbow from 12 o’clock to six o’clock is illegal.” Joe Rogan I’m in agreement with this [expunging] 100%. The 12-6 elbow rule is one of the dumbest rules in combat sports. At the very least that fight should be a no contest. He was completely dominant.