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No. 1 Oklahoma upset by Kansas State (1:28)

Kansas State sends Oklahoma to their second loss this season as a No. 1 team, with an 80-69 victory. (1:28)

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Technical Foul on I. Cousins. He fouls out. (1:10)

2H (1:05) OKLA Technical Foul on Isaiah Cousins. He fouls out. (1:10)

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D. Johnson made Layup. Assisted by J. Edwards. (0:44)

2H (2:44) KSU D.J. Johnson made Layup. Assisted by Justin Edwards. (0:44)

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W. Iwundu made Three Point Jumper. Assisted by D. Wade. (0:40)

2H (6:18) KSU Wesley Iwundu made Three Point Jumper. Assisted by Dean Wade. (0:40)

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D. Johnson made Two Point Tip Shot. (1:26)

2H (7:01) KSU D.J. Johnson made Two Point Tip Shot. (1:26)

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W. Iwundu shutting down B. Hield (0:36)

Wesley Iwundu shutting down Buddy Hield (0:36)

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D. Wade made Layup. (0:38)

2H (11:07) KSU Dean Wade made Layup. (0:38)

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A. Budke made Layup. Assisted by D. Johnson. (0:30)

2H (12:26) KSU Austin Budke made Layup. Assisted by D.J. Johnson. (0:30)

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W. Iwundu made Jumper. (0:15)

2H (13:01) KSU Wesley Iwundu made Jumper. (0:15)

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D. Buford made Dunk. Assisted by J. Woodard. (0:13)

2H (13:21) OKLA Dante Buford made Dunk. Assisted by Jordan Woodard. (0:13)

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D. Wade made Three Point Jumper. Assisted by W. Iwundu. (0:35)

2H (15:31) KSU Dean Wade made Three Point Jumper. Assisted by Wesley Iwundu. (0:35)

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R. Spangler made Layup. Assisted by J. Woodard. (0:40)

2H (17:33) OKLA Ryan Spangler made Layup. Assisted by Jordan Woodard. (0:40)

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B. Hield made Three Point Jumper. (0:16)

2H (18:37) OKLA Buddy Hield made Three Point Jumper. (0:16)

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I. Cousins made Dunk. (0:14)

2H (19:19) OKLA Isaiah Cousins made Dunk. (0:14)

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I. Cousins made Dunk. Assisted by R. Spangler. (0:14)

1H (4:15) OKLA Isaiah Cousins made Dunk. Assisted by Ryan Spangler. (0:14)

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B. Hield made Three Point Jumper. Assisted by J. Woodard. (0:16)

1H (11:56) OKLA Buddy Hield made Three Point Jumper. Assisted by Jordan Woodard. (0:16)

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J. Edwards made Three Point Jumper. Assisted by B. Brown. (0:20)

1H (12:48) KSU Justin Edwards made Three Point Jumper. Assisted by Barry Brown. (0:20)

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D. Wade made Three Point Jumper. Assisted by W. Iwundu. (0:17)

1H (8:25) KSU Dean Wade made Three Point Jumper. Assisted by Wesley Iwundu. (0:17)

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D. Wade made Three Point Jumper. Assisted by C. Ervin II. (0:14)

1H (14:00) KSU Dean Wade made Three Point Jumper. Assisted by Carlbe Ervin II. (0:14)

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I. Cousins made Three Point Jumper. (0:23)

1H (9:38) OKLA Isaiah Cousins made Three Point Jumper. (0:23)

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K. Lattin made Dunk. Assisted by J. Woodard. (0:15)

1H (11:27) OKLA Khadeem Lattin made Dunk. Assisted by Jordan Woodard. (0:15)

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I. Cousins made Three Point Jumper. Assisted by B. Hield. (0:19)

1H (18:21) OKLA Isaiah Cousins made Three Point Jumper. Assisted by Buddy Hield. (0:19)

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S. Hurt made Three Point Jumper. Assisted by W. Iwundu. (0:13)

1H (11:42) KSU Stephen Hurt made Three Point Jumper. Assisted by Wesley Iwundu. (0:13)

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Long-distance alley-oop from the Octagon of Doom (0:53)

From behind the arc, Kansas State's Dean Wade throws the overhand pass in perfect stride to Wesley Iwundu for the alley-oop slam that has the Wildcats thinking upset over Oklahoma. (0:53)

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I. Cousins made Dunk. Assisted by R. Spangler. (0:13)

1H (4:15) OKLA Isaiah Cousins made Dunk. Assisted by Ryan Spangler. (0:13)

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K. Lattin made Dunk. Assisted by J. Woodard. (0:48)

1H (10:47) OKLA Khadeem Lattin made Dunk. Assisted by Jordan Woodard. (0:48)

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Oklahoma's second loss as a No. 1 (1:17)

Jason Benetti and Reid Gettys breaks down No. 1 Oklahoma falling to Kansas State, the sixth time a No. 1 seed has lost this season. (1:17)

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When court-storming is banned after upsetting No. 1, the team goes into the crowd (0:44)

After knocking off No. 1 Oklahoma, security rushes out to keep the students from rushing the court, so the Kansas State team goes into the crowd instead. (0:44)

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Weber explains Kansas State's taking down No. 1 (1:11)

Kansas State coach Bruce Weber evaluates the Wildcats' win over No. 1 Oklahoma and how his team deserved it. (1:11)