Ohio State has fallen from No. 1 to No. 8 in just two weeks, losing the top spot to Clemson a week ago and then losing to Michigan State at home on Saturday. The Buckeyes handed control of the Big Ten East to the Spartans, now at No. 6 in the AP Top 25, and moved Iowa up to No. 3, the highest-ranked Big Ten team.
Oklahoma State and Houston also lost for the first time in 2015, resulting in the Cowboys falling five spots to No. 9 and the Cougars dropping eight spots to No. 21.
The Tigers are still at No. 1 in the Coaches Poll top 25, receiving 58 of the 64 first-place votes, after a Senior Day win against Wake Forest.
Iowa is up to No. 3 in the Coaches Poll after blowing past Purdue, with only Alabama separating the Tigers and Hawkeyes at the top.
Ohio State fell from No. 2 to No. 8 after Michigan State kicker Michael Geiger booted a game-winning field goal in the final seconds to snap the Buckeyes' 23-game winning streak. The Spartans, now with wins at Michigan and Ohio State on its resume, is up to No. 6
Oklahoma State fell from No. 4 to No. 10 after losing at home to Baylor -- a win that also pushed the Bears up to No. 7 -- and Houston dropped from No. 14 to No. 21, the biggest fall in this week's poll, after losing at UConn.
