PORTLAND — Luka Doncic never says no.



When practice ends is when Doncic’s yeses begin. He starts launching shots from half court, and then the opposite free throw line, and after a while, usually somewhere further than that. Bet him on those shots, and he says yes, always. “He makes stupid bets,” Maxi Kleber says. “He knows the odds are against him like crazy, but he still accepts them.” Almost always, Doncic is the last player off the court. If he can’t corral a teammate or an assistant coach into one-on-one games, he’ll wager $100 on nearly impossible attempts.



“He’s actually making those, so that’s why he thinks the bet is still good for him,” Kleber says. “He just takes it because he thinks he’s going to make it.”



Kleber would have lost his money on Sunday, and he admitted it after the game. Dallas trailed 107-104 against the Portland Trail Blazers on Sunday,...