Klatt walked-on to Colorado as a QB in 2002. As a true freshman, he played in 3 games, mostly on the punt return team as a rusher/blocker against Missouri and Iowa State. Against Baylor, he went 0–3 passing. He is one of 4 true freshman walk-ons to see action since 1986 for Colorado and was the Scout Team Offense Award Winner for the Colorado State game. The Buffs were Big 12 North Champions that season and played in the Alamo Bowl.