While most other Pac-12 teams had a game during nonconference play that could best be described as a “warm up,” Arizona has been in battles from the outset. As a result, the Wildcats haven’t had the opportunity to go deep into their roster of available players, sticking with a fairly tight rotation on both offense and defense. If ever there’s going to be a game where that trend changes it’s Saturday’s matchup with winless Colorado, which has been outscored 173-47. The Buffaloes’ games have been so lopsided that their four opponents have used an average 65.8 offensive and defensive players…