Ashley Williams knows Swansea still have plenty of work to do to complete the job of seeing off Chelsea in their Capital One Cup semi-final tie.
The Swans hold a 2-0 lead going into the second leg, having pulled off a stunning smash and grab raid at Stamford Bridge courtesy of goals from Michu and Danny Graham.
Wales captain Williams knows a Chelsea squad boasting the talents of Juan Mata, Eden Hazard, Demba Ba and Frank Lampard will be a real handful, with the onus on the visitors to take the game to their hosts. "It's such a big game for us as individuals and as a club. We went up there, did really well and we have set ourselves up nicely," said Williams.
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