Rivals Oklahoma and Oklahoma State could win the Big 12, and perhaps more, on Saturday. Fifth-ranked Oklahoma (10-1, 7-1 Big 12) has moved up to No. 3 in the College Football Playoff rankings, and a win against the Cowboys would almost surely clinch a berth. ''I think that, in a way, overshadows the rivalry a little bit right now,'' first-year Oklahoma offensive coordinator Lincoln Riley said.

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