I don't think Mitro has proven anything yet like.
However, I do think Cisse has proven he's exceptionally unreliable and generally a bit of an utter cunt. Assuming we're talking about a #9 #10 combo, I'd play Mitro then Perez at the #9 ahead of Cisse. And Perez/Gini/DeJong/anyfucker as the #10.