“They’re one player away,” an Eastern Conference executive told ESPN, suggesting the Mavs could win a title as soon as next season if they figured out a way to add an impact center — in the mold of 2010-11 Tyson Chandler — who could be a primary Doncic pick-and-roll partner, rebounder and rim protector. It’s an opinion shared by several other rival coaches, scouts and executives who have recently discussed Dallas’ outlook with ESPN.