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Oklahoma holds off Iowa State's comeback bid to win sixth straight Big 12 title (1:59)

Spencer Rattler throws and runs for a touchdown, while Brock Purdy tosses a costly interception late to help the Sooners hang on for the 27-21 win. (1:59)

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Iowa State coach erupts after no-call (1:10)

After Oklahoma is not whistled for an apparent offside penalty, Iowa State coach Matt Campbell loses his cool on the sideline. (1:10)