MIAMI—On their respective ways to the NBA Finals last season, there was one important element missing for both the Los Angeles Lakers and Miami Heat. No fans were there. That changes for last year’s finalists on Thursday night, when the Lakers play host to Phoenix and the Heat return home to face Milwaukee in a pair of Round 1, Game 3 matchups. Those are two of the three games on Thursday’s slate, the other being Denver heading to Portland for a Game 3 contest. Portland and the Lakers are going home having taken away home-court advantage from higher-seeded opponents in their respective series by getting splits of the first two games, at third-seeded Denver and second-seeded Phoenix. Miami is limping home, the No. 6 seed in the Eastern Conference down 2–0 against the third-seeded Bucks and after getting simply blown out in Game 2. Heat fans can get a shot …