Emanuel Sharp started overtime with a 3-pointer that put top-seeded Houston ahead to stay as the Cougars advanced to the Sweet 16 by topping ninth-seeded Texas A&M 100-95.

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Houston still has a tight grip on No. 1 in the AP Top 25 while Kansas is out of the top 10 for the first time in three seasons.

Jamal Shead hit a short follow shot with 0.4 seconds left and No. 1 Houston beat Oklahoma 87-85 on Saturday night, giving coach Kelvin Sampson a victory over one of his former schools.

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Jamal Shead had 26 points, including 20 in the second half, and No. 2 Houston took sole possession of first place in the Big 12 with a 73-65 win over No. 6 Iowa State.

Emanuel Miller’s layup with six seconds left gave TCU a 68-67 victory over No. 2 Houston on Saturday, the Cougars’ second straight loss.

Tamin Lipsey scored 14 points, freshman Milan Momcilovic made a baseline jumper with 30.2 seconds left and Iowa State beat No. 2 Houston 57-53 to knock off the nation’s final unbeaten team.