Manchester United won their 20th league title in style as Robin van Persie scored a sensational first-half hat-trick in a 3-0 victory over troubled Aston Villa.
After the final whistle, Ferguson was in no doubt about his club's strengths over the past two decades while he has been manager.Premier League: Man United crowned champions courtesy of Robin van Persie
By Peter Fraser - Follow me on Twitter @SkySportsPeteF