Luka Doncic has notched another franchise milestone in his career. Dallas Mavericks superstar Luka Doncic has finished the season as the leading scorer in the NBA. He’s the first player in Mavericks’ franchise history to accomplish the feat. That’s saying something for a team that’s had some great scoring threats over the last 40 years. Doncic finished the season averaging 33.9 points per game. That’s almost four points ahead of the second place scorer in the NBA, Giannis Antetokounmpo, who averaged 30.4 points per game. Shia Gilgeous-Alexander rounded out the top three scorers with 30.1 points per game. Unsurprisingly, Doncic…