By Madison Williams Saturday saw four top 10 upsets, causing major shifts in this week’s poll. Rivalry weekend saw some of the biggest upsets of the college football season, including No. 2 Ohio State losing to No. 3 Michigan, 45–23, which caused a major shift in the Week 14 coaches poll. The top four—Georgia, Ohio State, Michigan, TCU—have remained undefeated, removing most of the mystery at the top of the rankings in recent weeks. However, with Ohio State’s loss, the Buckeyes fell to No. 5 in this week’s poll. The first big upset of the weekend came on Thursday during the Egg Bowl, when form…