Here is a list of Ali's best fights. For a list of Ali's losses, refer to "Muhammad Ali Losses".
On January 28, 1974 Muhammad Ali faced off against Joe Frazier in a heavyweight bout at age 32. He was coming in with a record of 44-2 (31), and Frazier was 30 years old and with a record of 30-1 (25). Ali won the fight via 12-round unanimous decision.
On June 30, 1975 Muhammad Ali met Joe Bugner in a heavyweight (WBA, WBC and The Ring) world-title defense fight. Ali was 33 years old and with a record of 48-2 (34), and Bugner was 25 years old and with a record of 51-6-1 (31). Ali won the fight via 15-round unanimous decision and successfully defended his titles.
On February 6, 1967 Muhammad Ali, the WBC and The Ring champion, met Ernie Terrell, the WBA champion, in a heavyweight world-title unification fight. Ali was 25 years old and with a record of 28-0 (22), and Terrell was 27 years old and with a record of 39-4 (18). Ali won the fight via 15-round unanimous decision and and is crowned the unified WBC, The Ring and WBA champion.
On May 16, 1977 Muhammad Ali met Alfredo Evangelista in a heavyweight (WBA, WBC and The Ring) world-title defense fight. Ali was 35 years old and with a record of 54-2 (37), and Evangelista was 22 years old and with a record of 14-1-1 (11). Ali won the fight via 15-round unanimous decision and successfully defended his titles.
On April 30, 1976 Muhammad Ali met Jimmy Young in a heavyweight (WBA, WBC and The Ring) world-title defense fight. Ali was 34 years old and with a record of 51-2 (36), and Young was 27 years old and with a record of 17-4-2 (5). Ali won the fight via 15-round unanimous decision and successfully defended his titles.
On September 28, 1976 Muhammad Ali met Ken Norton in a heavyweight (WBA, WBC and The Ring) world-title defense fight. Ali was 34 years old and with a record of 53-2 (37), and Norton was 33 years old and with a record of 37-3 (30). Ali won the fight via 15-round unanimous decision and successfully defended his titles.
On February 25, 1964 Muhammad Ali fought Sonny Liston in a heavyweight world-title fight for Liston's WBA, WBC and The Ring titles. Ali was 22 years old and with a record of 20-0 (16), and Liston was 31 years old and with a record of 35-1 (25). Ali stopped Sonny Liston via 6th-round retirement and is crowned the new heavyweight world champion.
On May 1, 1972 Muhammad Ali faced off against George Chuvalo in a heavyweight bout at age 30. He was coming in with a record of 36-1 (27), and Chuvalo was 34 years old and with a record of 66-17-2 (57). Ali won the fight via 12-round unanimous decision.
On September 29, 1977 Muhammad Ali met Earnie Shavers in a heavyweight (WBA, WBC and The Ring) world-title defense fight. Ali was 35 years old and with a record of 55-2 (37), and Shavers was 33 years old and with a record of 54-5-1 (52). Ali won the fight via 15-round unanimous decision and successfully defended his titles.
On May 25, 1965 Muhammad Ali met Sonny Liston in a heavyweight (WBC and The Ring) world-title defense fight. Ali was 23 years old and with a record of 21-0 (17), and Liston was 33 years old and with a record of 35-2 (25). Ali stopped Sonny Liston via 1st-round KO and successfully defended his titles.