Group of Six power rankings: Boise State taking control of CFP race.

Group of Six power rankings: Boise State taking control of CFP race. Boise State dominated Western Michigan in Week 4 to keep its top spot in USA TODAY's weekly Group of Six power rankings.

Boise State is in the driver's seat for a College Football Playoff bid after destroying Western Michigan in Week 4 of the college football season . In a battle between Broncos, Boise State waltzed into Kalamazoo and handed the reigning MAC champion with ease in the 32-7 win.