Davis makes no sense financially to cut before the end of next year where the hit to the cap is much smaller. It sounds bad but given his personal situation, early retirement might be a possibility or not starting next year like Whitehair this year, might also lead to early retirement.
As far as Jones, he is an avg at best tackle. On a good Line, he is a good swing/3rd tackle. Unfortunately, the Bears don't have a good line and have greater holes on the interior as well as greater holes at WR which would minimize the improvement of having to draft a LT in the top 10 compared to WR.