You have to get Todd Gurley (TG) released then trade TG to the Cowboys and then wave trade them FA HBs. The instructions are in the video listed above. Any other questions just let us know.
Nothing has changed, it is working very well. It is a complicated process but there is one thing you must do in order for it to work: make sure you are in the regular season. It does not matter what week.
If you are in a Fantasy League then things will be different. It works in a Fantasy League, however, you will have to change your tactics.
Here is a video showing how to get the CBs. If you are still having trouble then let us know and we will help you out.