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Ahead of the match at Stamford Bridge, we take a look at how the sides' midfielders Cesc Fabregas and Gylfi Sigurdsson compare.
The sides come into the match as the only two remaining teams with a 100 per cent record.
Chelsea was excellent in their last outing, winning 6-3 away at Everton. However, Jose Mourinho won't be treating Swansea lightly - the Welsh outfit have already shown this season, in particular with their opening day win at Manchester United, that they are capable of causing an upset.
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