By ROB ROSE Another week filled with upsets shuffled the college basketball rankings, but didn’t adjust the top four teams. Thirteen ranked teams lost games on Saturday and Sunday and the latest AP poll looks a lot different. Houston (17-1) held onto the top spot with a narrow win vs. USF. Kansas stayed at No. 2 after beating Iowa State by two points. Purdue stayed at … [Read more...] about Houston stays No. 1, Duke drops out of latest AP poll