Paris Saint-Germain midfielder Blaise Matuidi believes his side 's 4-1 win over Lens on Saturday night was the perfect preparation for their Champions League last-16 second leg against Chelsea . The French champions recorded their 15th league win of the season to regain first place - if only temporarily due to Lyon 's game in hand - and Matuidi is confident that a positive result has set them up nicely for a trip to London . 'It was very important to go top of the table , even if it 's only provisional . It 's a good way to prepare for the Champions League match against Chelsea on Wednesday , ' he told reporters . Paris Saint-Germain midfielder Blaise Matuidi believes that his side 's league win has set them up for Chelsea . Matuidi came off the bench to score as PSG beat Lens to return to the top of Ligue 1 on Saturday . 'We are heading to London with plenty of confidence . I think we can still do better in terms of converting our chances into goals , but we 're working on it . 'Wednesday 's match will be a very tough one against a team full of confidence . But we 're heading there to qualify . ' The first leg of the tie , at Parc des Princes , saw Chelsea take the lead through Branislav Ivanovic , before Edinson Cavani equalised in the second half to salvage the tie . Laurent Blanc 's side will know that they need to score in west London to have any chance of progressing , but the tie is firmly in the balance going into the decider . In the first leg at Parc des Princes , Branislav Ivanovic scored to put Chelsea 1-0 up , but PSG equalised . Javier Pastore celebrates with his PSG team-mates after scoring on Saturday ; they head to London this week .
Paris Saint-Germain drew 1-1 with Ligue 1 in the Champions League last 16 first leg at Parc des Princes in February . Now , the French champions head to Stamford Bridge for the second leg . PSG won 4-1 in Ligue 1 on Saturday night to go two points clear . Blaise Matuidi believes that their win was perfect preparation for this week .