Jason Welborn has nine losses against nine opponents on his boxing record. For a list of Welborn's best fights, refer to "Best fights of Jason Welborn".
On August 14, 2020 Jason Welborn faced off against Felix Cash in a middleweight bout at age 34. He was coming in with a record of 24-9 (7), and Cash was 27 years old and with a record of 12-0 (8). Welborn lost the fight via 5th-round TKO.
On June 15, 2019 Jason Welborn faced off against James Metcalf in a super-welterweight bout at age 33. He was coming in with a record of 24-8 (7), and Metcalf was 30 years old and with a record of 19-0 (11). Welborn lost the fight via 8th-round TKO.
On December 1, 2018 Jason Welborn fought Jarrett Hurd in a super-welterweight world-title fight for Hurd's WBA (Super) and IBF titles. Welborn was 32 years old and with a record of 24-7 (7), and Hurd was 28 years old and with a record of 22-0 (15). Welborn lost the fight via 4th-round KO.
On July 16, 2016 Jason Welborn faced off against Craig Cunningham in a super-welterweight bout at age 30. He was coming in with a record of 19-6 (7). Welborn lost the fight via 10-round points decision.
On May 14, 2016 Jason Welborn faced off against William Warburton at age 30. He was coming in with a record of 19-5 (7). Welborn lost the fight via 6-round points decision.
On October 17, 2015 Jason Welborn faced off against Matthew Macklin in a super-welterweight bout at age 29. He was coming in with a record of 17-4 (6), and Macklin was 33 years old and with a record of 33-6 (22). Welborn lost the fight via 10-round unanimous decision.
On July 26, 2014 Jason Welborn faced off against Liam Smith in a super-welterweight bout at age 28. He was coming in with a record of 15-3 (6), and Smith was 25 years old and with a record of 16-0-1 (6). Welborn lost the fight via 6th-round KO.
On January 18, 2013 Jason Welborn faced off against Frankie Gavin in a welterweight bout at age 26. He was coming in with a record of 11-2 (5), and Gavin was 27 years old and with a record of 14-0 (10). Welborn lost the fight via 7th-round TKO.
On February 27, 2006 Jason Welborn faced off against Tyan Booth at age 19. He was coming in with a record of 1-1 (1). Welborn lost the fight via 3rd-round KO.
