Pac 12 Power Rankings Week 13: USC Falls, Arizona & Arizona State in Top 4

Nov 22, 2014; Tempe, AZ, USA; Washington State Cougars quarterback Luke Falk (4) throws a pass in the fourth quarter against the Arizona State Sun Devils at Sun Devil Stadium. The Sun Devils defeats the Cougars 52-31. Mandatory Credit: Mark J. Rebilas-USA TODAY Sports