On June 24, 2017, a 37-year-old Kermit Cintrón (39-5-3, 30 KOs) and Tyrone Brunson met in the ring in a super-welterweight bout.
Cintrón came in to the fight after a draw in his last fight with a 63% KO rate, and was fighting after a gap of 3 months and 7 days.
Kermit Cintrón lost to Tyrone Brunson via TKO in the 5th round, and adds an loss to his record at 39-6-3.
On November 26, 2011, a 32-year-old Kermit Cintrón (33-4-1, 28 KOs) got a shot at the super-welterweight WBC title held by 21-year-old Mexican boxer Canelo Álvarez (38-0-1, 28 KOs).
Cintrón came in to the fight on a 1-fight win streak with a 73% KO rate, and was fighting after a gap of 3 months and 14 days. Canelo was on a 34-fight win streak with a 71% KO rate, and fighting after a layoff of 2 months and 9 days.
Canelo Álvarez stopped Kermit Cintrón via TKO in the 5th round of the 12-round world-title fight, and successfully defended his WBC super-welterweight title. Canelo improves his record to 39-0-1 (29 KOs), while Cintrón adds a loss to his record at 33-5-1.
On July 9, 2011, a 31-year-old Kermit Cintrón (32-3-1, 28 KOs) and a 28-year-old Mexican boxer Carlos Molina (18-4-2, 6 KOs) met in the ring.
Cintrón came in to the fight on a 1-fight losing streak with a 77% KO rate, and was fighting after a gap of 1 year, 2 months, and 1 day. Molina was on a 1-fight win streak with a 25% KO rate, and fighting after a layoff of 2 months and 10 days.
Carlos Molina defeated Kermit Cintrón via unanimous decision in the 10-round fight. Molina improves his record to 19-4-2, while Cintrón adds a loss to his record at 32-4-1.
On May 8, 2010, a 30-year-old Kermit Cintrón (32-2-1, 28 KOs) and a 28-year-old American boxer Paul Williams (38-1, 27 KOs) met in the ring.
Cintrón came in to the fight on a 2-fight win streak with a 80% KO rate, and was fighting after a gap of 6 months and 14 days. Williams was on a 5-fight win streak with a 69% KO rate, and fighting after a layoff of 5 months and 3 days.
Paul Williams defeated Kermit Cintrón via technical decision in the 12-round fight. Williams improves his record to 39-1, while Cintrón adds a loss to his record at 32-3-1.
On April 12, 2008, Kermit Cintrón and Antonio Margarito met again in a rematch.
Cintrón came in to the fight on a 5-fight win streak with a 90% KO rate, and was fighting after a gap of 4 months and 20 days. Margarito was on a 1-fight win streak with a 62% KO rate, and fighting after a layoff of 5 months and 2 days.
In the rematch, Antonio Margarito stopped the champion via KO in the 6th round of the 12-round world-title fight, and is crowned the new IBF welterweight champion. Margarito improves his record to 36-5 (26 KOs), while Cintrón adds a loss to his record at 29-2.
On April 23, 2005, a 25-year-old Kermit Cintrón (24-0, 22 KOs) got a shot at the welterweight WBO title held by 27-year-old Mexican boxer Antonio Margarito (31-4, 22 KOs).
Cintrón came in to the fight on a 24-fight win streak with a 91% KO rate, and was fighting after a gap of 9 months and 6 days. Margarito was on a 1-fight win streak with a 62% KO rate, and fighting after a layoff of 2 months and 5 days.
Antonio Margarito stopped Kermit Cintrón via TKO in the 5th round of the 12-round world-title fight, and successfully defended his WBO welterweight title. Margarito improves his record to 32-4 (23 KOs), while Cintrón adds a loss to his record at 24-1.