He has been a successful manager with regard to getting teams promoted, though in a 32 year managerial career he's only managed one season in the Premier League. And despite his record, he's still a cock.
Seven... 1986–87: Conference winners (promotion to Division 4) – Scarborough 1989–90: Division 3 Playoff winners (promotion to Division 2) – Notts County 1990–91: Division 2 Playoff winners (promotion to Division 1) – Notts County 1994–95: Division 2 Playoff winners (promotion to Division 1) – Huddersfield Town 1995–96: Division 3 Playoff winners (promotion to Division 2) – Plymouth Argyle 2005–06: Championship runners-up (promotion to Premier League) – Sheffield United 2010–11: Championship winners (promotion to Premier League) – Queens Park Rangers