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Watch: Duke's Zion Williamson Throws Down Thunderous Tomahawk Dunk vs. UNC

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Zion Williamson is at it again.

Duke's freshman phenom left fans speechless with his tomahawk breakaway dunk over North Carolina on Friday night in the ACC tournament semifinal. With 9:52 left on the clock, Williamson made his way down the court and caught some serious air en route to the basket. Williamson's thunderous dunk put the Blue Devils up 61–58.

Williamson has made his presence known against rival UNC on Saturday night, scoring 26 points with six rebounds and going 11-for-15 from the field with a little over three minutes left in the game.