Drawing Conclusions: Week 13's playoff impact

The Sooners claimed the Big 12 title and look like a dangerous team steamrollering its way to the playoff. Oklahoma rushed for 344 yards against the Cowboys, winning its third straight against ranked opponents.
The Hawkeyes again nailed their routine, completing an undefeated regular season. "We're not trying to be pretty, we're trying to be productive," Iowa coach Kirk Ferentz said. "Football's not gymnastics. There are style points in gymnastics. Here it's having one point more than your opponent. We're 12-0. You can't do better than that."
The Tigers and Clemson Tide both iced away tighter-than-expected wins, withAlabama pulling away from Auburn, 29-13
Stanford's Conrad Ukropina kicked a winning field goal on the last play of the game as the Cardinal eliminated Notre Dame from playoff consideration., and Clemson holding off a South Carolina rally, 37-32.