Berbatov put United ahead against Sunderland with a fifth-minute header from Wayne Rooney’s cross and scored again on 57 minutes following Anderson’s clever flick.
Carlos Tévez also struck twice as Manchester City moved into second with a 3-1 victory at Newcastle United. However, Arsenal will go back ahead of City on goal difference with victory on Monday against Chelsea.
Tottenham Hotspur remain fifth after a 2-1 win at Aston Villa courtesy of two Rafael van der Vaart goals despite Jermain Defoe’s sending-off, just ahead of Bolton Wanderers following their 2-0 defeat of West Brom. Stoke City won 2-0 at Blackburn Rovers to go eighth.
West Ham United are off the bottom after their first away win of the season, 3-1 at Fulham. In their place are Wolves, beaten 2-1 by Wigan Athletic, out of the relegation zone at Fulham’s expense.