After another dominant display, it's time to start talking about how good this defense is, and how good it can be.
Northwestern has the best defense in the country.
About a month ago, if you'd have been told that that sentence would be leading stories about the 2015 Northwestern Wildcats three weeks into the season, you probably would've scoffed. 'That's ridiculous,' you might've thought.
That's not to say Northwestern's defense wasn't expected to be good. It was certainly presumed to be the strength of this team, and there was cautious optimism that it could build on a few dominant performances in 2014.