On September 20, 1972, a 36-year-old Carlos Ortiz (61-6-1, 30 KOs) and a 27-year-old Scottish boxer Ken Buchanan (43-2, 15 KOs) met in the ring.
Ortiz came in to the fight on a 10-fight win streak with a 44% KO rate, and was fighting after a gap of 1 month and 19 days. Buchanan was on a -1-fight win streak with a 33% KO rate, and fighting after a layoff of 2 months and 25 days.
Ken Buchanan stopped Carlos Ortiz via RTD in the 6th round. Buchanan improves his record to 44-2 (16 KOs), while Ortiz adds a loss to his record at 61-7-1.
On June 29, 1968, the 31-year-old undisputed lightweight world champion, Carlos Ortiz (51-5-1, 22 KOs), faced a undefined Carlos Teo Cruz undefined in an undisputed title defense fight.
Ortiz came in to the fight on a 5-fight win streak with a 38% KO rate, and was fighting after a gap of 10 months and 13 days.
Carlos Ortiz was defending his lightweight WBA, WBC, and The Ring titles against Carlos Teo Cruz and lost via split decision in the 15-round lightweight fight, and adds an loss to his record at 51-6-1.
On April 10, 1965, the 28-year-old undisputed lightweight world champion, Carlos Ortiz (45-4, 18 KOs), faced a 21-year-old Panamanian boxer Ismael Laguna (38-2, 25 KOs) in an undisputed title defense fight.
Ortiz came in to the fight on a 12-fight win streak with a 36% KO rate, and was fighting after a gap of 3 months and 27 days. Laguna was on a 4-fight win streak with a 62% KO rate, and fighting after a layoff of 3 months and 21 days.
Ismael Laguna defeated Carlos Ortiz via majority decision and wins the WBA, WBC, and The Ring lightweight world champion — and becomes the undisputed lightweight world champion — in his first world-title fight. Laguna improves his record to 39-2, while Ortiz adds a loss to his record at 45-5.
On May 10, 1961, a 24-year-old Carlos Ortiz (33-3, 13 KOs) and Duilio Loi met in the ring for the 3rd time, in a super-lightweight bout.
Ortiz came in to the fight on a 1-fight win streak with a 36% KO rate, and was fighting after a gap of 3 months and 8 days.
Carlos Ortiz lost to Duilio Loi via unanimous decision in the 15-round super-lightweight fight, and adds an loss to his record at 33-4.
On September 1, 1960, a 23-year-old Carlos Ortiz (32-2, 13 KOs) and Duilio Loi met in the ring for the 2nd time, in a super-lightweight bout.
Ortiz came in to the fight on a 4-fight win streak with a 38% KO rate, and was fighting after a gap of 2 months and 17 days.
Carlos Ortiz lost to Duilio Loi via majority decision in the 15-round super-lightweight fight, and adds an loss to his record at 32-3.
On December 31, 1958, a 22-year-old Carlos Ortiz (28-1, 10 KOs) and Kenny Lane met in the ring.
Ortiz came in to the fight on a 2-fight win streak with a 34% KO rate, and was fighting after a gap of 2 months and 3 days.
Carlos Ortiz lost to Kenny Lane via majority decision in the 10-round fight, and adds an loss to his record at 28-2.
On June 27, 1958, a 21-year-old Carlos Ortiz (26-0, 10 KOs) and Johnny Busso met in the ring.
Ortiz came in to the fight on a 26-fight win streak with a 38% KO rate, and was fighting after a gap of 1 month and 18 days.
Carlos Ortiz lost to Johnny Busso via split decision in the 10-round fight, and adds an loss to his record at 26-1.