WBC & won WBA World Heavyweight titles. Win Cleveland Williams TKO 3 (15) 01966-11-14 November 14, 1966 7001240000000000000 24 years, 7002301000000000000 301 days Houston, TX Retained The Ring & WBC World Heavyweight titles. Win Karl Mildenberger TKO 12 (15) 01966-09-10 September 10, 1966 7001240000000000000 24 years, 7002236000000000000 236 days Frankfurt, West Germany Retained