I'm a few seasons into my game (managing an Italian club) and I've noticed a lot of Argentinian regens showing on my search screen with fully Italian names. I remember part of the blog/podcast for FM2009 that mentioned that a proportion of Argie regens would have Italian second nationality (I'm guessing this is significant for WP/non-EU restrictions that apply to a lot of leagues). This is fair enough and realistic, but in reality most Italian-Argies have Spanish first names and Italian second names e.g. Javier Mascherano, Esteban Cambiasso, Javier Zanetti, Fabricio Coloccini etc. whereas these regens come through with Italian first names too.
would it not be right to assume that maybe the main reason someone has a second nationality at 15-16 is due to their parents nationality, maybe they italian parent took over naming!
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