Andrei Arlovski (2005-06) Defeats Tim Sylvia in the first round at UFC 51 (2/5/05) to claim the interim title, which is later upgraded to undisputed title. (Watch On UFC Fight Pass) Arlovski successfully defends the title twice, against Justin Eilers and Paul Buentello.
Tim Sylvia (2006-07) Becomes only the second man to regain the heavyweight championship when he knocks out Arlovski at UFC 59 (4/15/06). (Watch On UFC Fight Pass) Sylvia defends the title against Arlovski and Jeff Monson.
Randy Couture (2007-08) Becomes the first man to win the heavyweight title three times when he decisions Sylvia over five rounds at UFC 68 (3/3/07).