Georges St-Pierre (French pronunciation: ; born May 19, 1981), often referred to as GSP, is a French-Canadian mixed martial artist. He is currently signed to the Ultimate Fighting Championship (UFC), where he competes in their middleweight division and is a former champion. St-Pierre is also a three-time former UFC Welterweight Champion, having won the title twice from 2006 to 2008, as well as an interim title in 2007. Frequently cited as one of the greatest MMA fighters of all time, St-Pierre was ranked as the #1 welterweight in the world for several years by Sherdog and numerous other publications. In 2008, 2009, and 2010 he was named the Canadian Athlete of the Year by Rogers Sportsnet. Fight Matrix lists him as the top MMA Welterweight of all time and most accomplished fighter in MMA history. He retired on December 13, 2013, holding the record for most wins in title bouts and the second longest combined title streak in UFC history (2,204 days). He returned to the Octagon in 2017 at UFC 217, where he defeated Michael Bisping by submission to win the middleweight title, becoming the fourth fighter in the history of the organization to be a multi-division champion.