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).
Up Next
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).

Watch Dennis Smith Jr.'s five best dunks with the Mavs

February 14, 2018 10:42 AM