Editors note: This story was originally published on June 27, 2018.Here are five things to know about new Dallas Mavericks forward Kostas Antetokounmpo.The basicsKostas Antetokounmpo is a 6-11 power forward from Greece. He attended Dayton and was drafted by the Mavericks with the final pick in the 2018 draft. He is 20-years-old and was born on Nov.