Chelsea is set to launch a bid for Borussia Dortmund shot-stopper Roman Burki at the end of the current season.
Chelsea manager Frank Lampard is keen on replacing Kepa Arrizabalaga between the sticks and the Blues is expected to make a move for Burki.
The report in The Sun says Chelsea are lining up a shock £15million move for Burki.
The Swiss goalkeeper is tipped to replace Chelsea most expensive signing and the most expensive goalkeeper in history.
Chelsea want to take advantage of the one year left in his deal to sign the goalkeeper at the end of the current campaign.
Burki, 29, has played 150 games for the Bundesliga outfit and he fancies a move to the Premier League.
If Chelsea sign Burki Kepa will be sold clubs in La Liga are keen on signing the former Athletic Bilbao star after the Spanish shot-stopper failed to convinced Lampard despite commanding a starting role under previous manager Maurizio Sarri.