Nothing shakes up the college football rankings like the No. 1 team in the country losing. And when the top-ranked team falls to another team high up in the rankings -- such as Texas falling to Georgia on Saturday night -- it's going to lead to all kinds of changes to the new AP Top 25 poll.

Another weekend of college football is in full swing. This file will update as more results roll in, but here are some of the most notable winners and losers so far. The Volunteers were near-untouchable in the first month of the season.