The reason many guys here (and everywhere for that matter, I know I wasnt sure until late last sesson) havent rated him highly is beacuse he dosent have a specific trait that he exales at, No great driblling, passing, shooting or tackling , he is decent in most of them.
Thats way at first glance he dosent seem that talented or promesing young player.
But thats the thing with complete midfielders, they seem to grow much slower and without any "flashy" talent pepole take much less notice how they improve slowly in every aspect. It's much harder for a player to develope his overall in every aspect then 2-3 skills that are most importent to thier position, I's much harder and that more imppresive IMO
Complete midfielders have always became great players much latter then other promesing players from their age group that play other roles as they develope much slower and they need to be more mature, Pirlo for exaple started playing reguraly at top level when he was 24.
Because of his Character Claudio is even more promising then by judging him on pure talent baseis. he have fierce competitiveness that is a joy to watch.
If marchsio will keep this curve of improvment we will see a truly amazing and truly "complete" midfielder in 1-2 years time.