Im not sure I understand where you are coming from with this post? Surely a high risk to the balance of the team would be to throw 5 or 6 new signings straight into the first team. History shows that this isnt NA's approach. Surely NA's mitigation will be to take a measured approach to introducing the players to the first team i.e. bringing players off the bench to begin with and not just the fact that he has watched them play? Consequently, the impact and likelihood of the risk would both be minimal?