Reporter: There are many negative news about Doncic, and some stories about the Mavericks have not been made public.
Recently, ESPN reporter Marc J Spears talked about Doncic's recent efforts to promote his diet and weight loss on the TV program "NBA Today".
Speaking of the negative news about Doncic's weight and self-discipline that has been exposed in the Mavericks after the trade to Doncic, Spears said: "I think for Dallas... you heard a lot of negative news. Maybe there are a lot of things they didn't say. I heard some stories that they didn't make public."