Kermit Cintrón has six losses against five opponents on his boxing record. For a list of Cintrón's best fights, refer to "Best fights of Kermit Cintrón".
On June 24, 2017 Kermit Cintrón faced off against Tyrone Brunson in a super-welterweight bout at age 37. He was coming in with a record of 39-6-3 (30). Cintrón lost the fight via 5th-round TKO.
On November 26, 2011 Kermit Cintrón fought Canelo Álvarez in a super-welterweight world-title fight for Álvarez' WBC title. Cintrón was 32 years old and with a record of 33-5-1 (28), and Álvarez was 21 years old and with a record of 38-0-1 (28). Cintrón lost the fight via 5th-round TKO.
On July 9, 2011 Kermit Cintrón faced off against Carlos Molina at age 31. He was coming in with a record of 32-4-1 (28), and Molina was 28 years old and with a record of 18-4-2 (6). Cintrón lost the fight via 10-round unanimous decision.
On May 8, 2010 Kermit Cintrón faced off against Paul Williams at age 30. He was coming in with a record of 32-3-1 (28), and Williams was 28 years old and with a record of 38-1 (27). Cintrón lost the fight via 4-round technical decision.
On April 12, 2008 Kermit Cintrón met Antonio Margarito in a welterweight (IBF) world-title defense fight. Cintrón was 28 years old and with a record of 29-2 (27), and Margarito was 30 years old and with a record of 35-5 (25). Cintrón lost the fight via 6th-round KO and lost the title.
On April 23, 2005 Kermit Cintrón fought Antonio Margarito in a welterweight world-title fight for Margarito's WBO title. Cintrón was 25 years old and with a record of 24-1 (22), and Margarito was 27 years old and with a record of 31-4 (22). Cintrón lost the fight via 5th-round TKO.
