The Baylor Bears headline Andy Katz’s college basketball tiers for the week of Dec. 23. The teams that follow in tier 1 are the Duke Blue Devils, Purdue Boilermakers and Gonzaga Bulldogs. In tier 2, we have the Kansas Jayhawks, UCLA Bruins, Iowa State Cyclones and the USC Trojans. In tier 3 we have the Kentucky Wildcats, The Tennessee Volunteers, Arizona Wildcats and the Seton Hall Pirates. Then rounding it out in tier 4 we have the Ohio State Buckeyes, Michigan State Spartans, Illinois Fighting Illini and the Auburn Tigers.