Blogs Streetball Dunks Videos 6'4 Chris Roberts NASTY Poster Dunk ON 7'5 Will Foster In NBDL Game! Arek Kissoyan 4247 March 1, 2013 No Comments ballislifechris robertscrazydunkfacialinsanenastyNBDLpostersick Chris Roberts rises up for the filthy dunk over 7'5" Will Foster. Just nasty!