i do think we need a dedicated guy to sit (a specialist, if you will) if we're going to accommodate guys who will not put in a defensive shift. klaus mentioned zidane - you can't carry someone like him in your team unless someone else picks up the defensive slack he ignores.
fabregas is pushed up higher as a #10 when he doesn't really have the pace or dribbling you'd want from that position. i get the feeling his ego is such that he won't move back and sacrifice his goal and assist stats unless we bring in a big name. meanwhile, arshavin's been played out of position his entire time at arsenal.