Kostas Antetokounmpo throws down first career in-game dunk

Here is 6'7 Kostas Antetokounmpo throwing down his first career in-game dunk at the WBY Shootout in Mequon, WI. Kostas, the little brother of Milwaukee Bucks star Giannis Antetokounmpo, is a junior (class of 2016) at Dominican High School in Wisconsin.