I think the problem is their own perception of themselves and their status. They could probably find a striker commensurate with their size. Part of the issue is they have a disproportionate estimation of their standing within football and are target players on this basis. They are competing with the likes of us, Manchester United, Arsenal, and Manchester City for players, when the reality is the their pull and standing in football is more akin to the likes of Aston Villa, Spurs, and Everton. Yes they have champions league football but they are not the giants they delude themselves that they are.