A wild first week of college football led to some big changes in the new Associated Press poll.

Oklahoma lost on the road at Houston, and the Sooners dropped from 3rd to 14th. The hardest fall was LSU who lost to unranked Wisconsin at Lambeau Field in Green Bay. LSU was previously ranked 5th and fell all the way to 21st.

Teams that jumped up in week two of the rankings... Houston went from 15th to 6th. Wisconsin went from not being ranked to 10th. Texas beat Notre Dame in a shootout and jumped from not being ranked to 11th.

The Iowa Hawkeyes moved one spot from 17th to 16th with their win against Miami (Ohio) 45-21.

Week 2 AP College Football Rankings (This week's ranking is at left and last week's is at right)

1 Alabama 1
2 Clemson 2
3 Florida State 4
4 Ohio State 6
5 Michigan 7
6 Houston 15
7 Stanford 8
8 Washington 14
9 Georgia 18
10 Wisconsin Not Ranked
11 Texas Not Ranked
12 Michigan State 12
13 Louisville 19
14 Oklahoma 3
15 TCU 13
16 Iowa 17
17 Tennessee 9
18 Notre Dame 10
19 Ole Miss 11
20 Texas A&M Not Ranked
21 LSU 5
22 Oklahoma State 21
23 Baylor 23
24 Oregon 24
25 Miami (FL) Not Ranked

[VIA Bleacher Report]