Manchester United consolidated its lead in the Premier League by beating Sunderland 2-0 thanks to two goals by Dimitar Berbatov on Sunday, while Carlos Tevez’s brace helped Manchester City move provisionally second with a 3-1 win at Newcastle. Berbatov headed home a cross by strike partner Wayne Rooney in the fifth minute and saw a shot deflected in off Anton Ferdinand in the 57th for a league-high 13th of the season. Unbeaten United stayed two points clear of cross-town rival City but with two games still in hand. City overtook Arsenal in the standings as Gareth Barry’s opener and Tevez’s double helped Roberto Mancini’s side to victory at St. James’ Park. Arsenal plays fourth-place Chelsea on Monday. Wolverhampton lost 2-1 to Wigan to go bottom, with West Ham climbing off the foot of the table thanks to a 3-1 victory at Fulham – only its third win of the league season. Two games – Blackpool-Liverpool and Everton-Birmingham – were postponed owing to the freezing conditions sweeping through Britain. United, which has only lost once this season in all competitions, dominated the first half against injury-ravaged Sunderland but only had Berbatov’s early strike to show for it. Ryan Giggs released Rooney…