The Brief Mavs GM Nico Harrison answered questions at a news conference on Monday. It was the first time Harrison had answered questions in front of cameras since the day after the Luka Dončić trade. Dallas Mavericks general manager Nico Harrison answered questions in front of cameras on Monday for the first time since early February. Before opening up for questions, Harrison emphasized the importance of the defense and the roster they are putting together heading into next season. Nico Harrison's closed-door press conferenceDig deeper:Last week, Harrison met with several Dallas-based reporters to discuss the Mavericks season and the Luka Dončić trade.