HOME • EN (English) • Videos • Giannis goes behind the back and slams! 17/Nov/16 11:10 Giannis goes behind the back and slams! 17 Nov 2016 17 Nov 2016 2016-11-17T11:14:34+00:00. Aris Barkas - 17 Nov 2016 Eurohoops.net Aris Barkas Check out Giannis Antetokounmpo go behind the back and throw it down against Atlanta Tags dunk Giannis Antetokounmpo NBA