Ultimate Fighting Championship
World Heavyweight Title
[265lb/120kg limit]
(as of 2012/12/29)

Mark Coleman	97/02/07	Dothan, AL
Defeats Dan Severn to become the first champion; unifies UFC Superfight Title.
Maurice Smith	97/07/27	Birmingham, AL
Randy Couture	97/12/21	Yokohama, JPN
Stripped in 98/01 upon leaving UFC due to a contract dispute.
Bas Rutten	99/05/07	Birmingham, AL
Defeats Kevin Randleman; vacant in 99/06 when Rutten retires due to training injuries.
Kevin Randleman	99/11/19	Tokyo, JPN
Defeats Pete Williams.
Randy Couture [2]	00/11/17	Atlantic City, NJ
Josh Barnett	02/03/22	Las Vegas, NV
Stripped on 02/07/26 after testing positive for anabolic steroids in a post-fight drug test.
Ricco Rodriguez	02/09/27	Uncasville, CT
Defeats Randy Couture.
Tim Sylvia	03/02/28	Atlantic City, NJ
Vacates in 03/09 after testing positive for anabolic steroids in a post-fight drug test.
Frank Mir	04/06/19	Las Vegas, NV
Defeats Tim Sylvia; injured in a motorcycle accident on 04/09/17; Andrei Arlovski defeats Tim Sylvia on 05/02/05 in Las Vegas, NV for interim title; Mir is stripped in 05/08 after being unable to defend due to an injury.
Andrei Arlovski	05/08/12
Promoted to undisputed champion.
Tim Sylvia [2]	06/04/15	Anaheim, CA
Randy Couture [3]	07/03/03	Columbus, OH
On 07/10/11, Couture announces his departure from UFC but continues to be recognized as the champion; Antônio Rodrigo Nogueira defeats Tim Sylvia on 08/02/02 in Las Vegas, NV for an interim title; Frank Mir defeats Nogueira on 08/12/27 in Las Vegas, NV for interim title.
Brock Lesnar	08/11/15	Las Vegas, NV
Defeats Courture (for an "interim" title according to the UFC Official Site as of 10/07/28; however, listed as a regular title on the DVD packages of UFC91 and UFC100); also defeats Frank Mir on 09/07/11 in Las Vegas, NV to become the undisputed champion; suffers mononucleosis later in the year; Shane Carwin defeats Frank Mir on 10/03/27 in Newark, NJ for an interim title; Lesnar defeats Carwin on 10/07/03 in Las Vegas, NV to become the undisputed champion.
Cain Velasquez	10/10/23	Anaheim, CA
Junior dos Santos	11/11/12	Anaheim, CA
Cain Velasquez [2]	12/12/29	Las Vegas, NV