Early in round one. Cejudo actually set him straight in the post-fight interview - It was DJs calf kicks that deadened the NERVE in his lower leg, leading to that foot flopping all over the place. That is a LEGIT technique that is underrated in todays MMA scope. Yes, I know there will be a ton of folks saying, "But he still lost" and that is true. BUT - I am betting we see a LOT more of these calf attacks in the coming fights. That shit is a debilitating offensive weapon that is underused.