But, if any team can beat them on their own turf it's Villa.
The Claret and Blue came so close last season as they led 2-0 going into the break, only to see their lead slip as they went 3-2 down.
Eventually, Gareth Barry rescued a point in injury time in what was thrilling a 4-4 draw and the Premier League's game of the season.
Tomorrow's encounter could be more of the same with Villa boasting two of the League's top three scorers in the shape of Gabby Agbonlahor and John Carew.
And
A tough task awaits Villa, but fans will take confidence from the youthful exuberance that the side has shown in most endeavours this season.
It may not be the Stamford super series in which the winning side is paid a copious mount of money but the prize that is up for grabs at Stamford Bridge would mean more than money to Villa.
Imperious
Firstly, they could go top of the table with a win. Secondly, they would end the imperious home record of the Blues. And lastly, perhaps most importantly, they would send the away fans, paying £48 a ticket, home happy.
A place the top of the table could be the prize for the winner of the crunch clash at.
Villa know what they have to do and they're more than capable of doing it.
Manager Martin O'Neill should return to the return to the side which beat
That means skipper Martin Laursen returns to the centre of defence and the on-form Nigel Reo-Coker plays at right midfield once again.
Whoever Phil Scolari selects will be dangerous but if Villa will play to their counter attacking strengths they could just go one better than last time out at the Bridge.