Oklahoma 2005 record : 8-4 , 6-2 Big 12 COACH : Bob Stoops -LRB- 8th year , 75-16 -RRB- STARS : RB Adrian Peterson , WR Malcolm Kelly and LB Rufus Alexander KEY GAME : Texas , in Dallas , Oct. 7 IN SHORT -- It is impossible to look at the Sooners ' season without wondering what could have been .