At the end of the season, there is a special draft option. If you get good grades, you will be ranked low in the draft. If your grades are rubbish, then you will definitely be drawn. If your score is the lowest in the league, the chance of winning the lottery seems to be 25%. It is not clear whether this is fixed.
The second problem you mentioned is not the problem in the editor, but the coaching options, and everyone's position can be changed at any time. I hope it helps you.