On September 13, 1971, Ismael Laguna and Ken Buchanan met again in a rematch.
Laguna came in to the fight on a 1-fight losing streak with a 50% KO rate, and was fighting after a gap of 2 months and 22 days. Buchanan was on a 7-fight win streak with a 34% KO rate, and fighting after a layoff of 4 months and 2 days.
Ken Buchanan defeated Ismael Laguna via unanimous decision in the rematch and successfully defended his WBA and The Ring lightweight titles. Buchanan improves his record to 41-1, while Laguna adds a loss to his record at 65-9-1.
On June 22, 1971, a 27-year-old Ismael Laguna (65-7-1, 37 KOs) and Eddie Linder met in the ring.
Laguna came in to the fight on a 2-fight win streak with a 50% KO rate, and was fighting after a gap of 2 months and 19 days.
Ismael Laguna lost to Eddie Linder via split decision in the 10-round fight, and adds an loss to his record at 65-8-1.
On September 26, 1970, the 27-year-old undisputed lightweight world champion, Ismael Laguna (63-6-1, 37 KOs), faced a 25-year-old Scottish boxer Ken Buchanan (36-1, 13 KOs) in an undisputed title defense fight.
Laguna came in to the fight on a 5-fight win streak with a 52% KO rate, and was fighting after a gap of 3 months and 20 days. Buchanan was on a 3-fight win streak with a 35% KO rate, and fighting after a layoff of 4 months and 14 days.
Ken Buchanan defeated Ismael Laguna via split decision and wins the WBA and The Ring titles — in his first world-title fight. Buchanan improves his record to 37-1, while Laguna adds a loss to his record at 63-7-1.
On May 24, 1969, a 25-year-old Ismael Laguna (58-5-1, 34 KOs) and Eugenio Espinoza met in the ring.
Laguna came in to the fight on a 11-fight win streak with a 53% KO rate, and was fighting after a gap of 1 month and 24 days.
Ismael Laguna lost to Eugenio Espinoza via unanimous decision in the 10-round fight, and adds an loss to his record at 58-6-1.
On August 16, 1967, a 24-year-old Ismael Laguna (47-4-1, 30 KOs) got a shot at the undisputed lightweight championship held by 30-year-old Carlos Ortiz (50-5-1, 22 KOs).
Laguna came in to the fight on a 6-fight win streak with a 57% KO rate, and was fighting after a gap of 2 months and 13 days. Ortiz was on a 4-fight win streak with a 39% KO rate, and fighting after a layoff of 1 month and 15 days.
Carlos Ortiz defeated Ismael Laguna via unanimous decision in the rematch and successfully defended his WBA, WBC, and The Ring lightweight titles. Ortiz improves his record to 51-5-1, while Laguna adds a loss to his record at 47-5-1.
On March 19, 1966, a 22-year-old Ismael Laguna (41-3-1, 27 KOs) and a 30-year-old Filipino boxer Gabriel Elorde (78-19-2, 29 KOs) met in the ring.
Laguna came in to the fight on a 1-fight win streak with a 60% KO rate, and was fighting after a gap of 1 month. Elorde was on a 7-fight win streak with a 29% KO rate, and fighting after a layoff of 3 months and 15 days.
Gabriel Elorde defeated Ismael Laguna via unanimous decision in the 10-round fight. Elorde improves his record to 79-19-2, while Laguna adds a loss to his record at 41-4-1.
On November 13, 1965, the 22-year-old undisputed lightweight world champion, Ismael Laguna (40-2-1, 26 KOs), faced a 29-year-old Puerto Rican boxer Carlos Ortiz (45-5, 18 KOs) in an undisputed title defense fight.
Laguna came in to the fight after a draw in his last fight with a 60% KO rate, and was fighting after a gap of 3 months and 27 days. Ortiz was on a -1-fight win streak with a 36% KO rate, and fighting after a layoff of 7 months and 3 days.
Carlos Ortiz defeated Ismael Laguna via unanimous decision in the rematch and wins the WBA, WBC, and The Ring lightweight world champion — and becomes the undisputed lightweight world champion. Ortiz improves his record to 46-5, while Laguna adds a loss to his record at 40-3-1.
On June 1, 1964, a 20-year-old Ismael Laguna (34-1, 23 KOs) and a 21-year-old Mexican boxer Vicente Saldivar (24-1, 20 KOs) met in the ring.
Laguna came in to the fight on a 7-fight win streak with a 65% KO rate, and was fighting after a gap of 2 months and 23 days. Saldívar was on a 8-fight win streak with a 80% KO rate, and fighting after a layoff of 1 month and 28 days.
Vicente Saldívar defeated Ismael Laguna via unanimous decision in the 10-round fight. Saldívar improves his record to 25-1, while Laguna adds a loss to his record at 34-2.
On June 7, 1963, a 19-year-old Ismael Laguna (27-0, 19 KOs) and Antonio Herrera met in the ring.
Laguna came in to the fight on a 27-fight win streak with a 70% KO rate, and was fighting after a gap of 18 days.
Ismael Laguna lost to Antonio Herrera via points decision in the 10-round fight, and adds an loss to his record at 27-1.