The final moments of Game 6 in Dallas. These final moments clinch the NBA Championship for the Miami Heat and give veterans such as Alonzo Mourning, Gary Payton, and Antoine Walker their first NBA Title. Witness one of the greatest moments in NBA History! Watch the beginning of Dallas' string of Playoff ineptitude starting with this video. The Mavs cruised to a 2-0 lead in the series before Dwayne Wade turned in God-like performances in Games 3-5. Now watch as Flash finishes off the Dirk Nowitzki-led Mavericks in 6.