(2:46)Open Extended ReactionsNORMAN, Okla. -- Oklahoma coach Brent Venables carried a somber tone. Brent Venables is leading a defense that is top 10 in several categories and leads the nation in sacks. "It's all, 'Coach Venables is getting back and calling plays,' Man, the collaboration is very real. "They just do a great job of causing chaos," Alabama coach Kalen DeBoer said of the Sooners' defense this week. Coach Venables [is] one of the best that there is at doing it."