I've seen you ask similar questions in every post in every thread lately and you should by now know it always works like that.
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Krasic doesn't seem to give a fuck, doesn't put effort in and is being rather poor lately. Pepe will always be Pepe, although he did put in a few decent/good performances earlier on in the season. Giaccherini is out ( I don't know for how long ) and the only other player to play ahead of Elia is Esti, who did alright'ish.
I might be biased, but if there was ever a good time to prefer Elia over the others, it is now. Atleast give him a half.