On January 25, 1982, a 36-year-old Ken Buchanan (61-7, 26 KOs) and George Feeney met in the ring.
Buchanan came in to the fight on a 3-fight losing streak with a 38% KO rate, and was fighting after a gap of 2 months and 1 day.
Ken Buchanan lost to George Feeney via points decision in the 8-round fight, and adds an loss to his record at 61-8.
On November 24, 1981, a 36-year-old Ken Buchanan (61-6, 26 KOs) and Lance Williams met in the ring.
Buchanan came in to the fight on a 2-fight losing streak with a 38% KO rate, and was fighting after a gap of 7 months and 20 days.
Ken Buchanan lost to Lance Williams via points decision in the 8-round fight, and adds an loss to his record at 61-7.
On April 4, 1981, a 35-year-old Ken Buchanan (61-5, 26 KOs) and Langton Tinago met in the ring.
Buchanan came in to the fight on a 1-fight losing streak with a 39% KO rate, and was fighting after a gap of 2 months and 9 days.
Ken Buchanan lost to Langton Tinago via points decision in the 10-round fight, and adds an loss to his record at 61-6.
On January 26, 1981, a 35-year-old Ken Buchanan (61-4, 26 KOs) and Steve Early met in the ring.
Buchanan came in to the fight on a 2-fight win streak with a 40% KO rate, and was fighting after a gap of 3 months and 6 days.
Ken Buchanan lost to Steve Early via points decision in the 12-round fight, and adds an loss to his record at 61-5.
On December 6, 1979, a 34-year-old Ken Buchanan (59-3, 25 KOs) and Charlie Nash met in the ring in a lightweight bout.
Buchanan came in to the fight on a 3-fight win streak with a 40% KO rate, and was fighting after a gap of 3 months.
Ken Buchanan lost to Charlie Nash via unanimous decision in the 12-round lightweight fight, and adds an loss to his record at 59-4.
On February 27, 1975, a 29-year-old Ken Buchanan (56-2, 24 KOs) got a shot at the lightweight WBC title held by Guts Ishimatsu.
Buchanan came in to the fight on a 13-fight win streak with a 41% KO rate, and was fighting after a gap of 2 months and 11 days.
Ken Buchanan was defending his lightweight titles and, fighting for the lightweight WBC titles against Guts Ishimatsu and lost via unanimous decision in the 15-round lightweight fight, and adds an loss to his record at 56-3.
On June 26, 1972, the 26-year-old WBA and The Ring lightweight world champion, Ken Buchanan (43-1, 15 KOs), faced a 21-year-old Panamanian boxer Roberto Durán (28-0, 24 KOs), in a title defense fight.
Buchanan came in to the fight on a 10-fight win streak with a 34% KO rate, and was fighting after a gap of 1 month and 28 days. Durán was on a 28-fight win streak with a 85% KO rate, and fighting after a layoff of 3 months and 16 days.
Roberto Durán stopped the champion via TKO in the 13th round of the 15-round world-title fight, winning the first world titles of his career, and is crowned the new WBA and The Ring lightweight champion. Durán improves his record to 29-0 (25 KOs), while Buchanan adds a loss to his record at 43-2.
On January 29, 1970, a 24-year-old Ken Buchanan (33-0, 13 KOs) and Miguel Velasquez met in the ring in a lightweight bout.
Buchanan came in to the fight on a 33-fight win streak with a 39% KO rate, and was fighting after a gap of 2 months and 18 days.
Ken Buchanan lost to Miguel Velasquez via points decision in the 15-round lightweight fight, and adds an loss to his record at 33-1.