East Rutherford, NJ (Sports Network) - Tony Allen scored 23 points and Joey Graham added nine with six rebounds to lead Oklahoma State to a 63-51 victory over Pittsburgh in the semifinals of the East Rutherford bracket. The second-seeded Cowboys (30-3) advanced to the "Elite Eight" and will face the winner of the Saint Joseph's/Wake Forest game on Saturday. Carl Krauser led the third-seeded Panthers (31-5) with 15 points.