Teachable moments come in rapid succession after losses in college football.

Ohio State coach Ryan Day hopes to nitpick his team’s issues after a win on Saturday against Wisconsin, a previous unbeaten who overlooked Illinois last time out.

“Sometimes after a loss, they’re a little bit more attentive to those things, something that we’ve been hammering with our guys,” Day said this week, speaking on his team’s biggest game thus far this season. “Let’s not let it take a loss for us to understand issues because they’re always there on film. That’s what Sundays are for.

“Once we have our victory meal, we turn onto the next team.”

The third-ranked Buckeyes haven’t yet suffered the toe-stub this season that has kept them out of the Playoff each of the past two years and are trying to break the Big Ten’s two-year drought in getting to the final four.

But this matchup against the Badgers, who have already posted four shutouts, is a real test and Ohio State isn’t the only national title contender with its hands full in Week 9.

Here are five games worth taking a closer look at with favorites clearly on Upset Alert in Week 9. For this exercise to constitute an ‘upset’, the opening line must be at least 7 points: