Chelsea only appointed Liam Rosenior in January, but the FIFA Club World Cup holders have lost their last five games.
The result sees Brighton climb above their visitors to sixth in the table on 50 points, two ahead of Chelsea
Manchester United strengthen grip on third spot in Premier League with 1-0 win that leaves Chelsea relying on favours.
Follow the live build-up, with full team news coverage, ahead of our text commentary stream of the crunch EPL clash.
Chelsea could blow the race for UEFA Champions League qualification wide open if they beat Man Utd in EPL on Saturday.
City score three second-half goals to crush Chelsea at Stamford Bridge and move to within six points of Arsenal.
Follow the build-up, analysis and live text commentary of the game as Chelsea host City at Stamford Bridge.
Second-placed Manchester City travel to Chelsea as the Premier League title race approaches crunch time.