Weekly college football top 25 rankings are a big part of every season, and Athlon Sports will update its top 25 following the games each weekend. The sixth weekend of the 2017 season was filled with exciting games and intriguing league matchups. Alabama defeated Texas A&M 27-19 to remain No. 1 in the rankings, and Clemson stayed at No. 2 following a home victory against Wake Forest. Georgia, Penn State and Washington round out the top five, with TCU, Oklahoma, Ohio State, Wisconsin and Auburn highlighting the next tier of teams. Michigan slips to No.