▁his ▁debut ▁in ▁the ▁opening ▁game ▁of ▁the ▁ 2 0 0 2 – 0 3 ▁season ▁against ▁Sh el bourne ▁in ▁ 3 – 0 ▁home ▁win ▁in ▁which ▁he ▁scored . ▁He ▁went ▁on ▁to ▁form ▁a ▁useful ▁striking ▁partners hip ▁with ▁John ▁O ' F lyn n . ▁Following ▁the ▁arrival ▁of ▁Ne ale ▁F enn ▁in ▁ 2 0 0 4 , ▁O ' Call ag han ▁was ▁moved ▁to ▁mid field ▁by ▁then ▁manager ▁Pat ▁Dol an , ▁to ▁accommod ate ▁the ▁new ▁player . ▁ ▁In ▁ 2 0 0 5 , ▁C ork ▁City ▁picked ▁up ▁their ▁first ▁league ▁title ▁in ▁twelve ▁years ▁and ▁O ' Call ag han ▁picked ▁up ▁a ▁w inners ▁medal . ▁He ▁scored ▁eleven ▁goals ▁in ▁all ▁compet itions , ▁including ▁in ▁the ▁ 2 0 0 5 – 0 6 ▁UEFA ▁Cup , ▁and ▁was ▁also ▁announced ▁as ▁the ▁e ir com ▁League ▁Player ▁of ▁the ▁Year ▁for ▁ 2 0 0 5 . ▁He ▁also ▁played ▁in ▁the ▁ 2 0 0 5 ▁FA I ▁Cup ▁Final ▁defeat ▁to ▁D rog h eda ▁United ▁at ▁L ans d ow ne ▁Road . ▁ ▁In ▁July ▁ 2 0 0 6 ▁he ▁was ▁given ▁time ▁off ▁due ▁to ▁a ▁falling ▁out ▁between ▁himself ▁and ▁manager ▁Dam ien ▁Richard son . ▁In ▁September ▁ 2 0 0 6 , ▁O ' Call ag han ▁joined ▁English ▁club ▁I ps wich ▁Town ▁on ▁trial ▁with ▁a ▁view ▁to ▁a ▁permanent ▁deal .