Luka Dončić's defensive performance in a recent game against the Utah Jazz highlighted a critical lapse in concentration during a tense moment. With the game tied and seconds remaining, Dončić failed to guard John Collins effectively, allowing him an open dunk that contributed to the Mavericks' loss.

Despite scoring 37 points and contributing significantly on offense, Dončić took responsibility for the defensive miscommunication. Mavericks head coach Jason Kidd echoed this sentiment, emphasizing the need for better communication within the team. The loss marked a disappointing start for the Mavericks this season, following their previous NBA Finals appearance.