▁in ▁La ▁Liga ▁and , ▁as ▁in ▁his ▁previous ▁club , ▁started ▁his ▁st int ▁appearing ▁for ▁the ▁B - team . ▁In ▁the ▁ 2 0 0 0 – 0 1 ▁season ▁he ▁played ▁in ▁just ▁three ▁games ▁for ▁the ▁main ▁squad , ▁which ▁was ▁eventually ▁re leg ated , ▁then ▁proceeded ▁to ▁become ▁a ▁very ▁important ▁mid field ▁element ▁for ▁the ▁Cant ab ri ans ▁in ▁the ▁following ▁three ▁years , ▁whilst ▁collect ing ▁ 4 1 ▁yellow ▁cards ▁and ▁three ▁red . ▁ ▁N aft i ▁was ▁signed ▁on ▁loan ▁by ▁B irmingham ▁City ▁in ▁the ▁final ▁minutes ▁of ▁the ▁January ▁ 2 0 0 5 ▁transfer ▁window , ▁making ▁his ▁Premier ▁League ▁debut ▁on ▁ 5 ▁February ▁in ▁a ▁ 2 – 0 ▁loss ▁away ▁to ▁Manchester ▁United ▁in ▁which ▁he ▁started ▁and ▁was ▁book ed . ▁Sometimes ▁referred ▁to ▁as ▁" N ast y " ▁due ▁to ▁his ▁fier y ▁nature ▁and ▁t endency ▁for ▁ca utions , ▁he ▁was ▁primarily ▁signed ▁to ▁replace ▁the ▁out going ▁Rob bie ▁Sav age , ▁and ▁finished ▁the ▁season ▁strongly , ▁which ▁led ▁to ▁a ▁permanent ▁deal ▁being ▁agreed ▁in ▁the ▁summer . ▁ ▁N aft i ' s ▁ 2 0 0 5 – 0 6 ▁campaign ▁came ▁to ▁end ▁before ▁it ▁had ▁even ▁begun , ▁with ▁a ▁severe ▁injury ▁to ▁his ▁cru ci ate ▁lig aments ▁in ▁a ▁friendly ▁with ▁Deport ivo ▁La ▁Cor u ña ▁in ▁early ▁August ▁ 2 0 0 5 . ▁He ▁recovered ▁sooner ▁than