BYU football coach LaVell Edwards smiles as he holds the Copper Bowl trophy aloft after the Cougars ended five years of bowl disappointment Thursday night with a convincing 31-6 pounding of Oklahoma. Junior quarterback John Walsh, the game's Most Valuable Player, completed a Copper Bowl-record 31 of 45 passes for 454 yards and four touchdowns as the Cougars, 10-3, outplayed the Sooners, 6-6, on offense, defense and special teams. (Story on D1).