Mike Krzyzewski is retired now but his influence continues via his own various jobs, including one as an NBA consultant, and of course via his own satellite radio show. It also continues via his former players, many of whom have significant influences now of their own.
As you probably know, ESPN has been in the midst of a major shake up lately. There are a lot of factors, not least of all cord cutting and the issues Disney has had with its overall bottom line, which have led to speculation that the Mouse might sell the Worldwide Leader.