The one activity Rooney says sharpened his tactics...To play this video you need to enable JavaScript in your browser.This video can not be playedThe one activity Rooney says sharpened his tactics...CloseListen to the full episode on BBC Sounds.SubsectionTechnologyPublished23 SeptemberShareclose panelShare pageCopy linkAbout sharingRelated topicsGamingFollow Gamingclose panelYou are now following GamingUpdates from your News topics will appear in My News and in a collection on the News homepage.Read description