Stephan Bonnar is a professional mixed martial artist who rose to fame as a contestant on the first season of The Ultimate Fighter. He is best known for his epic fight with Forrest Griffin at the finale of the show, which is widely regarded as one of the greatest fights
From Wikipedia
Stephan Patrick Bonnar was an American mixed martial artist and professional wrestler. Bonnar competed as a Light Heavyweight in the UFC for most of his career. Bonnar was the runner-up on The Ultimate Fighter 1; his TUF Ultimate Finale loss to Forrest Griffin is widely considered to be the most important fight in the history of the UFC.