Sonny Liston losses
Over 17 years as a professional, Sonny Liston compiled a 50-4 (39) record, including five title fights. He had four losses against three different opponents, three of them in title fights.
4. Sonny Liston loses to Leotis Martin via KO
On December 6, 1969 Sonny Liston fought Leotis Martin for the vacant NABF heavyweight title. Liston was 37 years old with a record of 49-3, and Martin was 30 with a record of 30-5. Liston was on a 14-fight winning streak and Martin was on a 4-fight winning streak. Martin stopped Liston via KO in the 9th round. Failed to win the vacant title. Lasted into the 9th round.
3. Sonny Liston loses to Muhammad Ali in their 2nd fight via KO
On May 25, 1965 Sonny Liston fought Muhammad Ali for the NYSAC, The Ring, and WBC heavyweight titles. It was their second meeting. Liston was 33 years old with a record of 35-2, and Ali was 23 with a record of 20-0. Liston was coming off a loss, while Ali was on an undefeated 20-fight winning streak. Ali stopped Liston via KO in the 1st round. Failed to capture the title.
2. Sonny Liston loses to Muhammad Ali via KO
On February 25, 1964 Sonny Liston defended the undisputed heavyweight title against Muhammad Ali. Liston was 31 years old with a record of 35-1, and Ali was 22 with a record of 19-0. Liston was on a 28-fight winning streak and Ali was on an undefeated 19-fight winning streak. Ali stopped Liston via retirement in the 6th round. Lost the undisputed title.
1. Sonny Liston loses to Marty Marshall via split decision
On September 7, 1954 Sonny Liston faced Marty Marshall. Liston was 22 years old with a record of 7-0, and Marshall was 0 with a record of 0-0. Liston was on an undefeated 7-fight winning streak. Liston lost via split decision. Went the distance with Marshall.