Tonight, the Dallas Mavericks kickoff the 2019-2020 season with a visit from the Washington Wizards for a 7:30 tip inside American Airlines Center. "Life After Dirk" should be a little easier for fans to adjust to, especially with Luka Doncic and Kristaps Porzingas leading the way. NBA experts say they're going to be a difficult tandem to slow down. Plus, we can't forget about their "big" Boban Marjanovic. Check out the preseason highlights below.