Colorado and Colorado State will play in the NCAA Tournament, both as No. 11 seeds, for the first time since 2003.Colorado (23-11) will play sixth-seeded University of Nevada, Las Vegas (26-8) in the South Regional opener on Thursday in Albuquerque. Colorado State (20-11) will play Thursday against No. 6-seed Murray State (30-1) in the West Regional in Louisville, Ky.The Buffaloes reached the Big Dance by winning the Pac-12 Conference tournament championship with four victories in four days."To do it the way our players did, with winning four games in four days in Los Angeles, it was a big time effort by a quality group of young men," CU basketball coach Tad Boyle told 7NEWS sports anchor Arran Andersen on Sunday."We found our defensive identity back when we went Los Angeles, and we're going to need that against UNLV because they have some talented guys," Boyle said.Colorado State lost in the semifinals to San Diego State in the Mountain West tournament, but got in as an at-large bid from the NCAA selection committee."To have this group put it all together and come through in the clutch like they have is really a cool day for CSU Ram's basketball," CSU coach Tim Miles said Sunday.