Numerous big-name players, including running back Jonah Coleman, left Tucson via the transfer portal. Former San Jose State head coach Brent Brennan now leads the Wildcats and still has some stars on his roster, but consistent wins have yet to follow.

Arizona faces Colorado at home after two straight losses against Texas Tech University and BYU. What to know going into this years Homecoming game against University of Colorado, Boulder.

The Colorado and Arizona football game on Saturday will come down to three keys. Here's a look at each of them, plus a prediction.