(AP) -- Marcus Smart scored 21 points and hit the winning layup with 3.1 seconds left to lift Oklahoma State to a 78-76 victory against Iowa State on Wednesday night.
Smart zipped back and forth beyond the free throw line trying to lose Iowa State's Will Clyburn before knifing into the lane and releasing a runner over Georges Niang that banked off the glass and in for the Cowboys (14-5, 4-3 Big 12).
Tyrus McGee missed a desperation 3-pointer at the buzzer for the Cyclones (14-6, 4-3), who had two chances in a wild final few seconds.
For a moment, it appeared Chris Babb would have a chance at two free throws to tie it up with less than a second left before officials huddled and ruled that Iowa State should instead get the ball out of bounds.
Babb ended up with a season-high 19 points to lead Iowa State.
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