College basketball rankings: Duke drops to No. 7 in updated AP Top 25 poll, North Carolina returns at No. 25 | CBS Sports Headlines College basketball rankings: Duke drops to No. 7 in updated AP Top 25 poll, North Carolina returns at No. 25 The Tar Heels are back in … Continue reading College basketball rankings: Duke drops to No. 7 in updated AP Top 25 poll, North Carolina returns at No. 25