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Former heavyweight champion Muhammad Ali takes a break during a Nov. 26, 1981 training session at Nassau, Bahamas, for his Friday return to the ring against Trevor Berbick. Ali, who will be 40 on January 17, blamed an overdose of thyroid medication and the loss of too much weight for his listless performance against Larry Holmes in his last ring appearance. Ali weighed in at 236 ¼ on Thursday for his match with Berbick. (AP Photo/Gene Blythe)