College basketball rankings: North Carolina is No. 1 in preseason AP Top 25 poll ahead of Gonzaga, Houston | CBS Sports Headlines College basketball rankings: North Carolina is No. 1 in preseason AP Top 25 poll ahead of Gonzaga, Houston The Tar Heels bring back four starters from last season’s … Continue reading College basketball rankings: North Carolina is No. 1 in preseason AP Top 25 poll ahead of Gonzaga, Houston