▁join ▁the ▁Argentina ▁under - 2 0 ▁squad ▁to ▁comp ete ▁in ▁the ▁ 2 0 0 7 ▁South ▁American ▁Youth ▁Championship ▁in ▁Par agu ay . ▁He ▁head ed ▁the ▁only ▁goal ▁in ▁the ▁last ▁game ▁against ▁Uruguay , ▁to ▁secure ▁the ▁national ▁team ' s ▁qual ification ▁for ▁both ▁the ▁ 2 0 0 7 ▁FIFA ▁U - 2 0 ▁World ▁Cup ▁and ▁the ▁ 2 0 0 8 ▁Summer ▁Olympics . ▁ ▁After ▁appearing ▁in ▁six ▁out ▁of ▁seven ▁games ▁in ▁the ▁under - 2 0 s ▁triumph ▁in ▁Canada , ▁Ac osta ▁scored ▁against ▁I v ory ▁Coast ▁in ▁a ▁ 2 – 1 ▁group ▁stage ▁win ▁in ▁the ▁Be ij ing ▁Olympic ▁tournament , ▁en ▁route ▁to ▁another ▁international ▁con quest . ▁He ▁was ▁selected ▁by ▁the ▁full ▁side ▁for ▁a ▁Copa ▁América ▁Cent enario ▁prov is ional ▁squad , ▁but ▁did ▁not ▁make ▁the ▁final ▁cut . ▁ ▁Ac osta ▁received ▁his ▁first ▁senior ▁call - up ▁by ▁coach ▁Jorge ▁S ampa oli ▁on ▁ 2 7 ▁August ▁ 2 0 1 7 , ▁for ▁ 2 0 1 8 ▁FIFA ▁World ▁Cup ▁qual ifiers ▁against ▁Uruguay ▁and ▁Venezuela . ▁He ▁earned ▁his ▁first ▁cap ▁against ▁the ▁former ▁four ▁days ▁later , ▁coming ▁on ▁as ▁a ▁substitute ▁for ▁Mar cos ▁A cu ña ▁at ▁the ▁hour - mark ▁of ▁an ▁event ual ▁ 0 – 0 ▁away ▁draw . ▁ ▁Hon ours ▁ ▁Club ▁Lan ús ▁Argent ine ▁Primera ▁División : ▁ 2 0 0 7 ▁A