Dennis Smith Jr. Throws Down Monster Dunk vs. Wizards

Dallas Mavericks point guard Dennis Smith Jr. produced fireworks during the first quarter of Tuesday's game versus the Washington Wizards at Capital One Arena. 

With under 5:30 to play in the period, Wesley Matthews retrieved a defensive rebound as Smith left defenders behind him after starting a one-man fast break. 

Matthews delivered a pass into the paint, and Smith took flight and hammered a one-handed dunk home with authority. 

Nobody was stopping the 19-year-old rookie from creating a highlight-reel moment here.