Two-way Heisman Trophy hopeful Travis Hunter will be back in action for Colorado on Saturday when the Buffaloes oppose Arizona in Tucson, Ariz.Hunter missed the second half of Colorado’s 31-28 loss to then-No. 18 Kansas State last week because of a right shoulder injury.The junior, a standout at wide receiver and cornerback, figures to defend Wildcats All-America candidate receiver Tetairoa McMillan.”I think (Hunter’s) impact of the game and his ability to impact both sides of the ball is incredible,” Arizona coach Brent Brennan said. “I think that’s one of those challenges when you’re playing this team is that you know he is on the field.”Hunter hurt his shoulder in the second quarter against visiting Kansas State when he was tackled on a 14-yard reception. On the season, he has 49 receptions for 587 yards with six touchdowns to go along with 17 tackles and two interceptions.Colorado receiver Jimmy Horn Jr., who sustained a leg injury early in the Kansas State game, likely will play Saturday, according to coach Deion Sanders. He has 26 receptions for 347 yards.Two other receivers for Colorado (4-2, 2-1 Big 12) who also were injured against Kansas State — Omarion Miller and Terrell Timmons Jr. — will not play at Arizona. Miller is out for the season after undergoing surgery to repair a leg injury.Regardless of health, Sanders expects to see a better effort from his players this week.The coach said at the start of the practice week, “The guys took it upon themselves and they came out certainly with a different attitude. Sometimes you get intoxicated with winning and thinking that you are really like that. Saturday was a wake-up call for a multitude of us.”