I can see Kuhn being used as the short yardage back with BJax taking most of the reps including third down.
We've spent two years moulding him into the perfect 3rd down back. We dont then turn over those duties to an UFA rookie who could miss a blitz pick up and see Rodgers injured.
Bjax and Kuhn will get most of the reps with Nance spelling Jackson to keep him fresh.
Also, i dont like the idea of having Jackson and Nance on the field on 3rd down. That would mean two of Finley, Jennings, Driver, Jordy or Jones wouldnt be on the field and they are better players.