The Dallas Mavericks present Dirk Nowitzki's tribute video as they begin his jersey retirement ceremony

Dallas Mavericks FO including Nico Harrison reacting to them receiving the 1 pick

Dallas MavericksLuka DP

Joe Mazzulla wears cut-off sweatshirt sleeves as a tribute to Bill Belichick and works in a on to Cincinnati reference via NBCSCeltics

Charles Barkley, Scottie Pippen, Larry Bird, Shawn Kemp &amp Detlef Schrempf show up to pay tribute to Dirk