SportsPulse: With just 3 weeks left until Selection Sunday Scott Gleeson looks at the teams that can't afford a slip up down the stretch. USA TODAY
The battle for a No. 1 seed is starting to heat up with Selection Sunday three weeks away.
Duke and Virginia have separated themselves as top-seed material — both in ACC matchups and in nonconference action. And Gonzaga is a team the selection committee revealed it's fond of in its top-seeds announcement at the beginning of the month. The 'Zags also continue to reign atop the rankings in the NET, the NCAA's new metric in place of the RPI this season.