ester ▁City . ▁He ▁won ▁the ▁Premier ▁League ▁with ▁the ▁latter , ▁in ▁the ▁ 2 0 1 5 – 1 6 ▁season . ▁ ▁Club ▁career ▁ ▁Early ▁years ▁/ ▁Cast ell ón ▁Born ▁in ▁General ▁R oca , ▁Río ▁Neg ro , ▁Ul lo a ▁started ▁his ▁career ▁in ▁ 2 0 0 2 , ▁playing ▁with ▁Primera ▁B ▁Nacional ▁side ▁Com isión ▁de ▁Activ idades ▁Inf ant iles . ▁In ▁ 2 0 0 5 ▁he ▁moved ▁to ▁the ▁Primera ▁División , ▁signing ▁for ▁San ▁Lorenzo ▁where ▁he ▁was ▁part ▁of ▁the ▁squad ▁that ▁won ▁the ▁ 2 0 0 7 ▁Cla us ura . ▁ ▁Short ly ▁after , ▁Ul lo a ▁joined ▁Ar sen al ▁de ▁Sar and í . ▁In ▁the ▁summer ▁of ▁ 2 0 0 8 , ▁after ▁a ▁brief ▁st int ▁with ▁O lim po , ▁he ▁moved ▁to ▁Spain ▁to ▁play ▁for ▁Segunda ▁División ' s ▁Cast ell ón , ▁being ▁reun ited ▁with ▁former ▁CA I ▁team mate   – ▁and ▁compat ri ot   – ▁José ▁Tab ares . ▁He ▁scored ▁ 1 6 ▁goals ▁in ▁his ▁debut ▁season , ▁his ▁team ' s ▁best ▁and ▁sixth ▁in ▁the ▁league . ▁ ▁Al mer ía ▁Ul lo a ▁posted ▁similar ▁numbers ▁in ▁ 2 0 0 9 – 1 0 , ▁but ▁Cast ell ón ▁were ▁re leg ated ▁after ▁finishing ▁ 2 2 nd ▁and ▁last . ▁In ▁late ▁June ▁ 2 0 1 0 ▁he ▁moved ▁to ▁another ▁club