Iowa State prepares for No. 14 Oklahoma's defensive 'chaos'

(Photo credit: Sam Greene/The Enquirer / USA TODAY NETWORK)

Oklahoma coach Brent Venables isn't ready to heap too much praise on his defense yet.

Instead, he is preaching attention to detail as the 14th-ranked Sooners prepare to host Iowa State in Big 12 action Saturday night in Norman, Okla.

"It's tackling, it's covering, it's zone, it's man, it's precision and timing, it's alignment, it's eyes, it's pad level, it's ph