Blackburn beat Manchester United 3-2 in a Premier League at Old Trafford.
Alex Fergusons 70th birthday was ruined by Manchester Uniteds stunning loss to struggling Blackburn and Chelsea slipped out of the Premier Leagues top four with a home defeat to Aston Villa on Saturday.Goalkeeper David de Geas mistake allowed Grant Hanley to pounce in the 80th minute and give Blackburn a 3-2 win at Old Trafford.The surprising setback for the defending champions means Manchester City can go three points clear atop the standings by winning at Sunderland on Sunday.Third-place Tottenham slipped up as well at Swansea, drawing 1-1 to sit six points behind United.Arsenal went fourth with a 1-0 victory over Queens Park Rangers after Chelsea slumped to its fifth loss of the season, with Villa winning 3-1 at Stamford Bridge.