It's the overlap between those two jobs that causes the friction. If a head coach doesn't expect to be involved in recruitment then that friction will/should not exist...
Oscar had no part in player signings at Maccabi - http://www.soccerissue.com/2013/05/30/soccerissue-interview-with-jordi-cruyff/
So does the "head coach" rather than "interim manager" title mean that the same will happen here, with David Burke signing players? Or is it simply a way of avoiding...