NBA veteran analyst Tim Legler speaks on the changes that Jayson Tatum has made to his shooting form as concerns arise over the Celtics star.

Originally, Jayson Tatum wasn't supposed to be a part of Starting 5 right away. But for a surprising reason, the player was motivated to join.

"A lot of things I can get better at, I can tweak and be more effective and efficient in things and impactful and finding different ways to dominate the game,'' Tatum said. "I feel like that’s my challenge night to night.