Welcome to March: 18 things you need to know before the NCAA Tournament begins Posted Mar 2, 2024 Who projects as the No. 1 overall seed? Houston is No. 1 in the AP Top 25 poll. Before that, it was UConn. I'm aware. But the truth is that Purdue actually has the sport's best body of work and would be the No. 1 overall seed if the NCAA Tournament started today. Don't let the goofy AP Top 25 poll trick you. The Boilermakers are 15-3 in the first two quadrants. (CBS Sports)