LONDON – Manchester United manager Sir Alex Ferguson insists he has no worries about going into Sunday’s Manchester derby on the back of a defeat.United were beaten for the second successive time in Europe when they slipped to a 1-0 home defeat to Cluj on Wednesday night in the UEFA Champions League.Ferguson’s side had progressed to the knock-out phase after four matches and he was able to make 10 changes to the team that won 4-3 at Reading at the weekend.England striker Wayne Rooney, who is continuing to work his way back to full fitness after a spell on the sidelines at the start of the season with a gash to his leg, was the only player to start both matches.Premier League leaders United have the chance to move six points clear of City when they head to the Etihad Stadium on Sunday.Ferguson was adamant that there were good signs from his team despite seeing them beaten for the first time at home in the Champions League in more than three years.He said: "I think we’ve set out what we’ve set out to do. We’ve given young players game time and other players that needed games more game time.Agencies