Mavs rookie preps for NBA dunk contest

The Mavs stink but Dennis Smith Jr. does not; he will participate in the NBA All Star Dunk contest (video by Mac Engel/Star-Telegram).
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The Mavs stink but Dennis Smith Jr. does not; he will participate in the NBA All Star Dunk contest (video by Mac Engel/Star-Telegram).

Here are Dennis Smith Jr.'s Slam Dunk Contest Jams

February 17, 2018 10:33 PM