College basketball rankings: Purdue tightens grip on No. 1 spot in latest Coaches Poll top 25 | CBS Sports Headlines College basketball rankings: Purdue tightens grip on No. 1 spot in latest Coaches Poll top 25 Purdue and UConn are the only two teams to earn first-place votes this week … Continue reading College basketball rankings: Purdue tightens grip on No. 1 spot in latest Coaches Poll top 25