▁February ▁ 2 0 0 0 . ▁During ▁his ▁playing ▁time ▁at ▁Argentina ▁Youth ▁Team , ▁Ar ca ▁said ▁he ▁learned ▁under ▁José ▁P ék erman , ▁who ▁at ▁the ▁time ▁was ▁in ▁charge ▁of ▁Argentina ' s ▁youth ▁sides . ▁ ▁After ▁his ▁successful ▁first ▁season ▁in ▁the ▁Premier ▁League ▁with ▁S under land , ▁Ar ca ▁capt ained ▁the ▁Argentina ▁Under - 2 0 ▁team ▁which ▁won ▁the ▁FIFA ▁U - 2 0 ▁World ▁Cup ▁tournament ▁in ▁Buenos ▁Aires , ▁Argentina . ▁They ▁beat ▁the ▁Gh ana ▁U - 2 0 ▁team ▁ 3 – 0 ▁in ▁the ▁final ▁to ▁win ▁their ▁fourth ▁title . ▁Ear lier ▁in ▁the ▁season ▁he ▁had ▁been ▁a ▁part ▁of ▁the ▁U 2 0 ▁team ▁which ▁had ▁finished ▁as ▁run ners - up ▁in ▁the ▁ 2 0 0 1 ▁South ▁American ▁U 2 0 ▁Championship . ▁During ▁in ▁which , ▁Ar ca ▁scored ▁two ▁times ▁for ▁the ▁international ▁side . ▁ ▁Three ▁years ▁later ▁in ▁ 2 0 0 4 , ▁Ar ca ▁was ▁expected ▁to ▁be ▁called ▁up ▁for ▁the ▁Summer ▁Olympic ▁qual ification . ▁But ▁S under land ▁refused ▁to ▁allow ▁him ▁to ▁play ▁in ▁the ▁qual ification , ▁cit ing ▁his ▁commit ment ▁to ▁the ▁club . ▁He ▁was ▁expected ▁to ▁be ▁included ▁in ▁the ▁Argentina ▁U 2 3 ▁squad ▁at ▁the ▁ 2 0 0 4 ▁Summer ▁Olympics . ▁Despite ▁hopes ▁of ▁getting ▁called , ▁it ▁was ▁later ▁announced ▁that ▁he ▁was ▁not ▁included ▁in ▁the ▁Argentina ' s ▁squad