 The Dallas Mavericks make some trades during the draft. TSN's Jake Reitma. The second round of the NBA draft continued yesterday, and the Dallas Mavericks were active on the trade front. The Mavs entered the day holding the last pick of the draft at 58th overall and selected Petteri Kopanen. Dallas then struck a deal with the New York Knicks, acquiring the draft rights of Melvin Ajinka out of France in exchange for the basketball World Cup and was named to the second-team all-tournament team while averaging 19.3 points per game.