Andrew Wiggins scored 30 points to lead Kansas to a 77-70 victory over Oklahoma State in overtime in the Big 12 tournament.
His performance, including the tying jumper near the end of regulation, pushed Kansas into a semifinal matchup Friday night with No. 16 Iowa State.
The Cyclones held on for a 91-85 victory over Kansas State in an earlier quarterfinal.
The second semifinal will feature third-seeded Texas, which romped to a 66-49 victory over West Virginia, against seventh-seeded Baylor, which pulled off a 78-73 upset of Oklahoma.