I Challenge Niko- Nas Johnson vs. Niko in a slam dunk contest

Nas Johnson of Liverpool throws down a slam dunk in this week's "I Challenge Niko"

Yes, you read the headline correctly.

I'm taking part in a slam dunk contest.

Nas Johnson from Liverpool High School is this week's Toyota High School Athlete of the Week but even better, he can throw down a mean dunk.

Click the video player to see how this week's challenge turns out, and how high I can jump!

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