On September 10, 1977, a 32-year-old Richard Dunn (33-11, 16 KOs) and Kallie Knoetze met in the ring.
Dunn came in to the fight on a 2-fight losing streak with a 36% KO rate, and was fighting after a gap of 10 months and 29 days.
Richard Dunn lost to Kallie Knoetze via KO in the 5th round, and adds a loss to his record at 33-12.
On October 12, 1976, a 31-year-old Richard Dunn (33-10, 16 KOs) and a 26-year-old Hungarian boxer Joe Bugner (51-7-1, 31 KOs) met in the ring in a heavyweight bout.
Dunn came in to the fight on a 1-fight losing streak with a 37% KO rate, and was fighting after a gap of 4 months and 18 days. Bugner was on a -1-fight win streak with a 52% KO rate, and fighting after a layoff of 1 year, 3 months, and 12 days.
Joe Bugner stopped Richard Dunn via KO in the 1st round. Bugner improves his record to 52-7-1 (32 KOs), while Dunn adds a loss to his record at 33-11.
On May 24, 1976, a 31-year-old Richard Dunn (33-9, 16 KOs) got a shot at the heavyweight WBC title held by 34-year-old American boxer Muhammad Ali (51-2, 36 KOs).
Dunn came in to the fight on a 7-fight win streak with a 38% KO rate, and was fighting after a gap of 1 month and 18 days. Ali was on a 10-fight win streak with a 67% KO rate, and fighting after a layoff of 24 days.
Muhammad Ali stopped Richard Dunn via TKO in the 5th round of the 15-round world-title fight, and successfully defended his WBA, WBC, and The Ring heavyweight titles. Ali improves his record to 52-2 (37 KOs), while Dunn adds a loss to his record at 33-10.
On May 22, 1974, a 29-year-old Richard Dunn (26-8, 11 KOs) and Jose Manuel Urtain met in the ring.
Dunn came in to the fight on a 2-fight losing streak with a 32% KO rate, and was fighting after a gap of 1 month and 11 days.
Richard Dunn lost to Jose Manuel Urtain via KO in the 4th round, and adds a loss to his record at 26-9.
On April 11, 1974, a 29-year-old Richard Dunn (26-7, 11 KOs) and Ngozika Ekwelum met in the ring.
Dunn came in to the fight on a 1-fight losing streak with a 33% KO rate, and was fighting after a gap of 1 month and 24 days.
Richard Dunn lost to Ngozika Ekwelum via KO in the 7th round, and adds a loss to his record at 26-8.
On February 18, 1974, a 29-year-old Richard Dunn (26-6, 11 KOs) and a 25-year-old American boxer Jimmy Young (9-4-1, 2 KOs) met in the ring.
Dunn came in to the fight on a 1-fight win streak with a 34% KO rate, and was fighting after a gap of 1 month and 4 days. Young was on a 0-fight win streak with a 14% KO rate, and fighting after a layoff of 3 months and 26 days.
Jimmy Young stopped Richard Dunn via TKO in the 8th round. Young improves his record to 10-4-1 (3 KOs), while Dunn adds a loss to his record at 26-7.
On October 11, 1973, a 28-year-old Richard Dunn (25-5, 10 KOs) and Bunny Johnson met in the ring for the 2nd time,.
Dunn came in to the fight on a 9-fight win streak with a 33% KO rate, and was fighting after a gap of 3 months and 2 days.
Richard Dunn lost to Bunny Johnson via KO in the 10th round, and adds a loss to his record at 25-6.
On December 9, 1971, a 26-year-old Richard Dunn (16-4, 6 KOs) and Rocky Campbell met in the ring.
Dunn came in to the fight on a 6-fight win streak with a 30% KO rate, and was fighting after a gap of 15 days.
Richard Dunn lost to Rocky Campbell via TKO in the 1st round, and adds a loss to his record at 16-5.
On November 2, 1970, a 25-year-old Richard Dunn (10-3, 4 KOs) and George Dulaire met in the ring for the 2nd time,.
Dunn came in to the fight on a 1-fight losing streak with a 30% KO rate, and was fighting after a gap of 1 month and 26 days.
Richard Dunn lost to George Dulaire via TKO in the 1st round, and adds a loss to his record at 10-4.
On September 7, 1970, a 25-year-old Richard Dunn (10-2, 4 KOs) and Billy Aird met in the ring for the 3rd time, in a heavyweight bout.
Dunn came in to the fight on a 3-fight win streak with a 33% KO rate, and was fighting after a gap of 3 months and 17 days.
Richard Dunn lost to Billy Aird via TKO in the 6th round, and adds a loss to his record at 10-3.
On February 23, 1970, a 25-year-old Richard Dunn (7-1, 3 KOs) and Billy Aird met in the ring for the 2nd time,.
Dunn came in to the fight on a 6-fight win streak with a 37% KO rate, and was fighting after a gap of 2 months and 29 days.
Richard Dunn lost to Billy Aird via points decision in the 8-round fight, and adds a loss to his record at 7-2.
On July 7, 1969, a 24-year-old Richard Dunn (1-0, 0 KOs) and Danny McAlinden met in the ring.
Dunn came in to the fight on a 1-fight win streak with a 0% KO rate, and was fighting after a gap of .
Richard Dunn lost to Danny McAlinden via KO in the 1st round, and adds a loss to his record at 1-1.