Mavs/Celtics Game 3: Is Luka's 'total lack of composure' to blame for the loss?

The Mavs are down 0-3 after losing game 3 to Boston, officially putting them in the worst-case scenario. The most consequential moment of the game was the final 4 minutes when Luka Doncic fouled out. Shan, RJ, & Bobby explain why Luka Doncic is 100% to blame for getting fouled out and they discuss whether his lack of composure is what is keeping him from a title.