Big 12 football power rankings see Iowa State claim No. 1, Colorado continue to rise in Week 6
Only two undefeated teams remain in the Big 12 — BYU and Iowa State — after a pair of previously unbeaten teams fell at home last weekend. Meanwhile, Deion Sanders and Colorado continue to rise, riding a three-game win streak and a 2-0 start in their return to the Big 12. So, where do the Buffaloes rank in the conference hierarchy?