Carlisle had intended to travel to Doncic’s native country several days later in June to observe the Slovenian national team’s camp and spend time with the Mavs’ star. Those plans, however, were canceled at Doncic’s request, sources said. Doncic, particularly in the wake of Cuban firing longtime Mavs president of basketball operations Donnie Nelson, wanted no distractions as he prepared for the qualifying tournament in which Slovenia clinched the program’s first Olympic bid.