After the fight, George Chuvalo climbed through the ropes and shoved Ali, yelling, "Fix!" He was restrained, but later he said that he had seen Liston's eyes while the challenger was on the floor, and he knew that he was not in bad shape. "His eyes were darting from side to side like this," he said, darting his eyes from side to side. "When a fighter is hurt his eyes roll up." However, Dr. Carroll L. Witten, former Kentucky State Boxing Commissioner, who had studied the reactions of knocked out fighters, said, "Chuvalo is wrong. The side-to-side movement of eyes is commonly associated with temporary unconsciousness and is one of the first things you look for. It is called nystagmus."