Despite his double-winning success last season, Carlo Ancelotti has been a man under pressure after an abysmal run of form over the winter period which saw Chelsea drop out of the Champions League spots.
This coupled with a disappointing defeat to Manchester United in Europe's premier club competition has led Ancelotti to question his own future at Stamford Bridge.
If Chelsea beat Manchester United at Old Trafford later today then they will be in with a very good chance of retaining the league title in one of the most awe-inspiring comebacks of all time.
But if the Blues come up short, then it is very unlikely that Roman Abramovich will be content with a trophy-less season.
There have been rumors and whispers about a possible Ancelotti replacement for some time now.
Here are 10 men who could be sitting in the Chelsea hot seat come August 2011.