Matt Serra (2007) Defeats St-Pierre in the first round at UFC 69 on (6/7/2007) to win the UFC welterweight championship. (Watch On UFC Fight Pass)
Georges St-Pierre (2007-2013) Defeats Hughes to win interim title at UFC 79 on (12/29/2007). (Watch On UFC Fight Pass) He then regains the undisputed title by stopping Serra in the second round at UFC 83 on (6/19/2008). GSP successfully defended his title against Jon Fitch, BJ Penn, Thiago Alves, Dan Hardy, Josh Koscheck, Jake Shields, Carlos Condit, Nick Diaz and Johny Hendricks. Vacated title on (12/13/2013). (Watch On UFC Fight Pass)
