Pop Isaacs helped unranked Creighton upset No. 1 Kansas 76-63 on Wednesday night, scoring a season-high 27 points and matching his career high with six 3-pointers.

Max Klesmit made a runner in the lane with 4.8 seconds to play in overtime and Wisconsin beat Big Ten Tournament top-seed Purdue 76-75 for a spot in the conference championship game.

Jeremiah Williams scored 18 points and Rutgers used a stifling defense to lead the entire game and hand No. 11 Wisconsin its fourth straight loss 78-56.

Five of the six major conferences have a leader or co-leader that failed to make the NCAA Tournament last season.

Max Klesmit scored all 21 of his points before halftime, Steven Crowl added 16 and Wisconsin capitalized on its rebounding superiority to beat No. 3 Marquette 75-64.

David Jones scored 16 points, AJ Storr added 15 and St. John’s beat No. 20 Providence 73-68 to hand the Friars a costly defeat in their pursuit of a second consecutive regular-season conference title.

Joel Soriano scored 19 points and grabbed 13 rebounds as St. John’s beat No. 6 UConn 85-74 to win in Hartford for the first time since 1988.