K-State coach Collin Klein has faced plenty of challenges during his first season leading the Wildcats , but this week's quarterback situation presents a different kind of test.

Following Saturday's 28-17 loss to Arizona State , Klein enters preparation for Colorado without knowing whether Avery Johnson will be available.

During Monday's press conference, Klein described Johnson as day-to-day, leaving the Wildcats with uncertainty at the most important position on the field.

"A lot of it is gonna depend on how fast this recovery process goes," Klein said. "He's working hard at it and is doing everything that he can."

Johnson missed Saturday's game against Arizona State after suffering an injury in Week 7.…