AUSTIN, Texas -- David Ash passed for 364 yards and two touchdowns, and Texas (No. 17 BCS, No. 19 AP) honored the memory of former coach Darrell Royal by whipping Iowa State 33-7 on Saturday. Ash had a 61-yard touchdown pass to Mike Davis in the first quarter. Johnathan Gray ran for two touchdowns for the Longhorns (8-2, 5-2 Big 12), who won their fourth in a row.