 The team 's penultimate victory of the season , the Big 12 Championship Game , featured the biggest margin of victory in the history of that contest . They finished the season by winning the 2006 Rose Bowl against the USC Trojans for the national championship . Numerous publications have cited this victory as standing among the greatest performances in college football history , and ESPN awarded the 2006 ESPY Award for the " Best Game " in any sport to the Longhorns and the Trojans . The Longhorns finished as the only unbeaten team in NCAA Division I @-@ A football that year , with thirteen wins and zero losses . 
