For the second week running, Chelsea could only manage a point away from home after they were held to a goalless draw by in-form Birmingham City.
Carlo Ancelotti's men, who have won just one of their last five league games, were left frustrated at St Andrews after a battling display from Birmingham who are now unbeaten in ten. Chelsea, who ended the game with ten men after Florent Malouda's late dismissal, extended their lead over United to five points, but it'll be cut to two if the Reds win at Hull.
Elsewhere, new Manchester City boss Roberto Mancini got off to a winning start after goals Martin Petrov and Carlos Tevez gave City a 2-0 victory over Stoke City at Eastlands. Fulham and Tottenham's meeting at Craven Cottage ended goalless,