Texas Tech face their toughest challenges this week..here are week 13 picks

No. 2 Texas Tech at No. 5 Oklahoma --->
Citadel at No. 4 Florida --->
No. 14 Brigham Young at No. 7 Utah --->
No. 15 Michigan State at No. 8 Penn State --->
No. 9 Boise State at Nevada --->
Michigan at No. 10 Ohio State --->
Air Force at No. 16 TCU --->
No. 17 Ball State at Central Michigan --->
Mississippi at No. 18 LSU --->
No. 20 Pittsburgh at No. 19 Cincinnati --->
No. 21 Oregon State at Arizona --->
North Carolina State at No. 22 North Carolina  --->
No. 23 Miami (FL) at Georgia Tech --->
Florida State at No. 25 Maryland --->