Southampton defender Nathaniel Clyne says they will look to exploit Chelsea 's levels of fatigue when the two sides meet in the Premier League on Sunday . Chelsea return to domestic action at the weekend against the Saints , after being dumped out of the Champions League last 16 on Wednesday night . The Blues were knocked out on aggregate 3-3 via the away goals ruling by French giants Paris Saint-Germain - in a hotly-charged second leg that went to extra time . Southampton defender Nathaniel Clyne believes they can exploit Chelsea 's tiredness in Sunday 's match . Chelsea were dumped out of the Champions League on Wednesday night by Paris Saint-Germain . Thiago Silva 's ( right ) header in extra time condemned the Blues to a last 16 exit on away goals . And Clyne believes Jose Mourinho 's side are there for the taking - with Ronald Koeman 's men having had 12 days to prepare for the trip to Stamford Bridge come kick-off . 'We saw them play against PSG and thought they looked a bit tired . Hopefully , we can capitalise on that , ' the 23-year-old told talkSPORT . 'We are fresh at the moment and , if we take the game to them , we can cause an upset . 'If we play the game we can play , it will be a good game , and hopefully we can get the points . 'It will be difficult - Chelsea are a good team with quality players , but we are up for the challenge . ' Clyne ( left ) and his Southampton team-mates will have had 12 days to prepare for their trip to Chelsea .
Southampton travel to Chelsea in Sunday 's Premier League clash . Chelsea were knocked out of the Champions League by PSG in midweek . Comment: CLICK HERE for all the latest Southampton news .