On October 24, 1979, a 25-year-old Ayub Kalule (30-0, 17 KOs) got a shot at the WBA and The Ring super-welterweight titles held by 28-year-old Japanese boxer Masashi Kudo (23-0, 12 KOs).
Kalule came in to the fight on a 30-fight win streak with a 56% KO rate, and was fighting after a gap of 1 month and 18 days. Kudo was on a 23-fight win streak with a 52% KO rate, and fighting after a layoff of 4 months and 4 days.
Ayub Kalule defeated Masashi Kudo via unanimous decision and wins the WBA and The Ring titles — in his first world-title fight. Kalule improves his record to 31-0, while Kudo adds a loss to his record at 23-1.
On April 17, 1980, the 26-year-old WBA and The Ring super-welterweight world champion, Ayub Kalule (32-0, 17 KOs), faced Emiliano Villa, in a title defense fight.
Kalule came in to the fight on a 32-fight win streak with a 53% KO rate, and was fighting after a gap of 4 months and 11 days.
The challenger refused to continue the fight in the 11th round, and Ayub Kalule is crowned the new super-welterweight world champion. Kalule improves his record to 33-0 (18 KOs)
On September 6, 1980, the 26-year-old WBA and The Ring super-welterweight world champion, Ayub Kalule (34-0, 18 KOs), faced Bushy Bester, in a title defense fight.
Kalule came in to the fight on a 34-fight win streak with a 52% KO rate, and was fighting after a gap of 2 months and 25 days.
Ayub Kalule defeated Bushy Bester via unanimous decision and successfully defended his WBA and The Ring super-welterweight titles. Kalule improves his record to 35-0
On June 12, 1980, the 26-year-old WBA and The Ring super-welterweight world champion, Ayub Kalule (33-0, 18 KOs), faced Marijan Benes, in a title defense fight.
Kalule came in to the fight on a 33-fight win streak with a 54% KO rate, and was fighting after a gap of 1 month and 26 days.
Ayub Kalule defeated Marijan Benes via unanimous decision and successfully defended his WBA and The Ring super-welterweight titles. Kalule improves his record to 34-0
On December 6, 1979, the 25-year-old WBA and The Ring super-welterweight world champion, Ayub Kalule (31-0, 17 KOs), faced Steve Gregory, in a title defense fight.
Kalule came in to the fight on a 31-fight win streak with a 54% KO rate, and was fighting after a gap of 1 month and 12 days.
Ayub Kalule defeated Steve Gregory via unanimous decision and successfully defended his WBA and The Ring super-welterweight titles. Kalule improves his record to 32-0
On September 14, 1978, a 24-year-old Ayub Kalule (22-0, 14 KOs) and Reggie Ford met in the ring in a middleweight bout.
Kalule came in to the fight on a 22-fight win streak with a 63% KO rate, and was fighting after a gap of 1 month and 4 days.
Ayub Kalule stopped Reggie Ford via KO in the 5th round. Kalule improves his record to 23-0 (15 KOs)
On June 20, 1985, a 31-year-old Ayub Kalule (44-3, 22 KOs) and Pierre Joly met in the ring in a middleweight bout.
Kalule came in to the fight on a 4-fight win streak with a 46% KO rate, and was fighting after a gap of 3 months and 11 days.
Ayub Kalule stopped Pierre Joly via TKO in the 8th round. Kalule improves his record to 45-3 (23 KOs)
On May 25, 1978, a 24-year-old Ayub Kalule (20-0, 12 KOs) and Al Korovou met in the ring in a middleweight bout.
Kalule came in to the fight on a 20-fight win streak with a 60% KO rate, and was fighting after a gap of 28 days.
Ayub Kalule stopped Al Korovou via TKO in the 14th round. Kalule improves his record to 21-0 (13 KOs)
On March 9, 1985, a 31-year-old Ayub Kalule (43-3, 21 KOs) and Mauro Fernandez met in the ring.
Kalule came in to the fight on a 3-fight win streak with a 45% KO rate, and was fighting after a gap of 4 months.
Ayub Kalule stopped Mauro Fernandez via TKO in the 4th round. Kalule improves his record to 44-3 (22 KOs)
On October 5, 1984, a 30-year-old Ayub Kalule (41-3, 20 KOs) and Wayne Caplette met in the ring.
Kalule came in to the fight on a 1-fight win streak with a 45% KO rate, and was fighting after a gap of 5 months and 10 days.
Ayub Kalule stopped Wayne Caplette via TKO in the 3rd round. Kalule improves his record to 42-3 (21 KOs)