World Lightweight: 146-155 lbs.

Wagnney Fabiano and Ali Nester Charles compete for the inaugural UCC world lightweight championship.
1	Wagnney Fabiano	def.	Ali Nestor Charles	Decision (unanimous) @ 10:00 of R2	UCC 1: The New Beginning	06.02.00
Wagnney Fabiano vacates the UCC world lightweight championship after leaving the promotion. Jens Pulver and Duane Ludwig compete for the vacant UCC world lightweight championship.
2	Duane Ludwig	def.	Jens Pulver	Knockout (punch) @ 1:13 of R1	UCC 12: Adrenaline	01.25.03
Duane Ludwig vacates the UCC world lightweight championship after leaving the promotion to compete for the Ultimate Fighting Championship. Universal Combat Challenge re-brands itself as TKO MMA.  The UCC world lightweight championship is hereby observed as the TKO world lightweight championship. Donald Ouimet and James Martinez compete for the vacant TKO world lightweight championship.
3	Donald Ouimet	def.	James Martinez	Decision (split) @ 5:00 of R3	TKO 20: Champion vs. Champion	04.02.05
4	Sam Stout	def.	Donald Ouimet	Decision (split) @ 5:00 of R3	TKO 21: Collision	07.15.05
		def.	Donald Ouimet	Knockout (punches) @ 4:43 of R1	TKO 23: Extreme	11.05.05
		def.	Jay Estrada	Submission (armbar) @ 1:21 of R2	TKO 27: Reincarnation	09.29.06
		def.	Fabio Holanda	TKO (corner stoppage) @ 5:00 of R2	TKO 28: Inevitable	02.09.07
		def.	Martin Grandmont	Knockout (punches) @ 3:00 of R1	TKO 30: Apocalypse	09.28.07
Sam Stout vacates the TKO lightweight championship after the promotion suspends operations in December of 2008. Jesse Ronson and Derek Gauthier compete for the vacant TKO lightweight championship.
5	Jesse Ronson	def.	Derek Gauthier	TKO (submission to punches) @ 1:10 of R1	TKO 41: Champions	12.08.17
Jesse Ronson is unable to defend the TKO lightweight championship after failing to be medically cleared to compete. Charles Jourdain and Damien Lapilus compete for the interim TKO lightweight championship.
INT	Charles Jourdain	def.	Damien Lapilus	TKO (punches) @ 2:06 of R5	TKO 47: Jourdain vs. Ronson	04.11.19