Here’s a look at this week’s Big Ten power rankings with three weeks remaining in the regular season: 18. Purdue (0-6, 1-8): Purdue is spending a couple of weeks as national TV cannon fodder here, going from a 45-0 loss to Ohio State on FOX last week to a CBS Penn State this week.

What has never been more obvious than it is heading into Week 12 is that the Big Ten is essentially a four-team football conference. Oregon, Ohio State,