After a one-game absence due to injury, Arizona quarterback Khalil Tate returned on Saturday in Boulder and completed 31-41 pass attempts for a career-high 404 yards, three touchdowns, and one interception to power the Wildcats to a 35-30 victory over Colorado. Down 30-28 early in the fourth, Arizona regained the lead with 6:51 left after a five-yard rushing touchdown by Nathan Tilford to push the 'Cats lead to 35-30. Arizona held on down the stretch to improve to 2-0 in conference play, claiming sole possession of first place in the Pac-12 South division.