switched code Association footballers from Northern Ireland Association football midfielders Glenavon F.C. players Manchester City F.C. players Crewe Alexandra F.C. players Leicester City F.C. players Celtic F.C. players Nottingham Forest F.C. players Wycombe Wanderers F.C. players NIFL Premiership players English Football League players Premier League players Scottish Premier League players Northern Ireland under-21 international footballers Northern Ireland B international footballers Northern Ireland international footballers Football managers from Northern Ireland Celtic F.C. non-playing staff Celtic F.C. managers Bolton Wanderers F.C. managers Hibernian F.C. managers AC Omonia managers Scottish Premier League managers Scottish Professional Football League managers English Football League managers Expatriate football managers from Northern Ireland Expatriate football managers in Cyprus Expatriate sportspeople from Northern Ireland in Cyprus