What a crazy week in the Big Ten. We learned a lot — good and bad — about a lot of teams. Let’s get right to it.

Here are 10 things I am absolutely overreacting to in the Big Ten after Week 7:

1. I was very wrong about Michigan State and its grit

I’ve been hard on this Michigan State team that’s lost twice as favorites and hasn’t looked very good in most of its wins, and I had absolutely no hope of them going to Penn State and coming out with a win. I even questioned whether they could get bowl eligible this week.

But the Spartans shocked the world Saturday in Happy Valley, with quarterback Brian Lewerke throwing a 25-yard touchdown pass to Felton Davis with 19 seconds left to lift the Spartans over the No. 8-ranked Nittany Lions for the second straight year. The Spartans pulled out all the stops and battled for 60 minutes. Mark Dantonio proved me wrong, and I’ll tip my cap to the Spartans for this huge win.

2. Penn State coming off a bye was a huge disappointment

With that said, how shocking was it that Penn State wasn’t ready to play in this game? They’ve been playing great, with the one blemish a one-point loss to a very good Ohio State team. They were coming off a bye and were two-touchdown favorites against the Spartans.

“We had a chance to put them away several times on offense, on defense and on special teams and we didn’t do it,” Penn State coach James Franklin said. “We let them stay in the game.” Penn State was just 3-for-14 in converting third downs, which kept MSU in the game.

3. Iowa’s tight ends are amazing difference-makers

Iowa tight ends Noah Fant and T.J, Hockenson were amazing Saturday in the Hawkeyes’  impressive 42-16 win at Indiana. Both had more than 100 yards receiving, both had a catch of more than 50 yards and both scored at least one touchdown.  These guys have been great all year, but Saturday was something special. Iowa tight ends lead the country in catches, yards and touchdowns and that trend isn’t going to stop anytime soon. Iowa is right back in the Big Ten West race and Fant and Hockenson are a big reason why.

4. Michigan finally has its signature win in the Harbaugh era

Under the bright lights in the Big House, No. 12 Michigan completely dismantled No. 15 Wisconsin Saturday night, winning impressively 38-13.  It was a total team effort against a good Badgers team, and it really, really mattered to a Wolverines team that still has its eyes on winning the Big Ten. Who’s to say no to that right now? Wisconsin had only 283 yards and veteran quarterback Alex Hornibrook looked lost all night long, completing just 7 of 20 passes for 100 yards and two interceptions. He had a 0.7 quarterback rating. Ouch.

5. Shea Patterson is the most-important newcomer in the league

We knew it was a big deal when former Ole Miss quarterback Shea Patterson transferred to Michigan and it was an even bigger deal when the NCAA allowed him to be eligible immediately. He’s been great for the Wolverines so far, coolly leading an offense that gets better every week. He didn’t have to throw much Saturday — he was just 14 of 21 passing for 124 yards — but he won the game with his legs, breaking free on an 81-yard run and keeping UM in the right spots all night long. That’s six in a row now for Michigan.

6. Nebraska being 0-6 for the first time ever is mind-boggling

Nebraska and 0-6 should never be used in the same sentence, unless you’re talking about the high temperature on some February day in Lincoln. Saturday’s overtime loss to Northwestern really had to hurt, because it looked like Nebraska was going to get that first win in the Scott Frost era. Blowing a 14-point fourth-quarter lead really had to hurt, same as not converting in overtime. They’re fighting. Next up is Minnesota at home, so it’s time for this losing streak to end.

7. Clayton Thorson is one tough cookie for Northwestern

Northwestern’s senior quarterback is still fighting back from ACL surgery, but he’s not taking no for an answer anymore. He played great in the upset win at Michigan State last week and did it again on Saturday in the 34-31 overtime win against Nebraska. Thomson was 41 of 64 passing for a whopping 455 yards. That’s a full day’s work.

8. Do we consider Wisconsin to be an epic disappointment now?

Wisconsin’s 38-13 loss to Michigan was shocking in that the Badgers really weren’t even competitive. Alex Hornibrook was awful, and that was a surprise especially considering how cool he looked in leading Wisconsin on a fourth-quarter drive to beat Iowa on the road a few weeks ago. And the vaunted Wisconsin defense? They were even worse, allowing a shocking 320 yards rushing to the Wolverines. That’s two losses now, and there might be more to come. That’s saying something from a team that had Playoff aspirations at the start of the season.

9. Purdue is a team to watch out for going forward

Granted, Illinois isn’t very good, but Purdue’s offense continues to hum along. In their 46-7 win at Illinois, Purdue amassed an amazing 611 yards of total offense. Quarterback David Blough was incredible once again in leading the Boilers to their third straight win, throwing for 377 yards. D.J. Knox added 150 yards on the ground, too. All the talk in the Big Ten West has been about Wisconsin and Iowa, but don’t be surprised if Purdue doesn’t still have a say in who’s going to win this division. Saturday’s game with Ohio State is going to be interesting.

10. Ohio State struggled a bit, but it’s still the class of the league.

There was a hiccup or two for Ohio State in its 30-14 win against Minnesota, but a win is a win is a win.  Dwayne Haskins was impressive once again, throwing for 412 yards and three touchdowns. His numbers this season through seven games — all wins — all stunning. He’s already thrown for 2,331  yards and has a whopping 28 touchdown passes. This Heisman Trophy talk really needs to get ramped up.