Ultimate Fighting Championship
World Light Heavyweight Title [205lb/93kg limit]
(as of 2015/10/03)
* Middleweight Title until 2001/05.
Defeats Kevin Jackson to become the first UFC Middleweight champion; vacant in 99/11 when Shamrock retires.
Defeats Wanderlei Silva; becomes the World Light Heavyweight Title in 01/05 according to the Unified Rules of Mixed Martial Arts established in 00; due to Ortiz's injury/contractual dispute with UFC, Randy Couture defeats Chuck Liddell on 03/06/06 in Las Vegas, NV for an interim title.
Las Vegas, NV
Defeats Tito Ortiz to become the undisputed champion.