With the Oregon Ducks on bye I had a chance to take in most of the biggest games in college football this week. We got ranked matchups, upsets, and blowout wins that feel like they set the tone for the rest of the season. Today I’ll give some of my biggest takeaways and impressions from week four of college football and see how they affect the Ducks, if at all. Michigan Back or USC Weak?The first big game of the day featured defending national champion and future Oregon opponent Michigan taking on Big Ten Conference and west coast rival USC. Fans were treated to a close, back-and-forth game th…