We certainly don't need another off the striker player. We have gerrard, meireles, cole, kuyt, and to some people pacheho who can all play there. Lets get those wingers and lb sorted first.
While I don't know much about Diego, if his preferred role is off the striker we don't need him, and not just because of the players you mention. We will play 2 up front now as much as we can, and unless we're using a midfield diamond we have a need for central midfielders with vision and who will graft. Since we will probably continue to be linked with Adam, Sissoko et al as additions/replacements for Lucas/Spearing, and with Aquilani almost certain to return to us in the summer, I think we are better suited to finding replacements for positions where we actually have marked deficiencies - LB, CB, wing, possibly goalkeeper.
Just because a guy might want to leave his club does not mean we should immediately try to buy him. He might not have a position to play in our line-up (ask Torres how important that is), he might not adapt to the conditions in England (both in terms of the league and the weather if he's a foreigner who has never played there), and he might not be all that good anyway which is why he is leaving in the first place. I would far rather we put our efforts into buying players whose clubs don't especially want to move them on but will do so at a price we can afford (eg Adam, Young), because that says a lot for their contribution to their club, and we want contributors not free-loaders. Now that we supposedly have some funds to throw about I would be extremely hesitant to take on players on a free transfer, for example; there must be something wrong with these players if no one wants them (including their own club), and we can afford to bid for more obvious quality.
