Georges "Rush" St. Pierre (born May 19, 1981), often referre to as GSP , is a French-Canadian mixed martial arts fighter, and the current Ultimate Fighting Championship welterweight champion. He is known for his high level of cardiovascular conditioning, Karate-influenced striking style, ground & pound and takedown defense. He holds notable wins over Matt Hughes (twice), Josh Koscheck, B.J. Penn, Frank Trigg, Jason Miller, Matt Serra, Karo Parisyan and Sean Sherk. He is currently ranked by MMAWeekly, Nokaut, and Sherdog as the #1 welterweight fighter in the world.