Oklahoma City Thunder rookie guard Hamidou Diallo will participate in the 2019 NBA Slam Dunk Contest, according to Chris Haynes of Yahoo Sports.
Miami Heat forward Derrick Jones Jr. was supposed to take part, per Oliver Maroney of Lineups (h/t Haynes), but Jones has suffered a knee injury and will not attend.
New York Knicks guard Dennis Smith Jr. reportedly committed to participating in the event before his trade to New York, per Shams Charania of The Athletic and Stadium, while Haynes reported that Charlotte Hornets rookie forward Miles Bridges will also take part.