Goalkeeper Petr Cech admits Chelsea have made their lives more complicated by succumbing to Basle for a second time
Basle live updates
David Luiz has a knee injury and did not travel to Switzerland for Chelsea's Champions League Group E clash at Basel.
The Brazil defender, who scored the winner in April's Europa League semi-final first leg against the same opposition, has a bruised patella and will be out for around one week, the Blues announced on their website.
Abseilers hang from a sign in Switzerland, delaying Basle's Champions League match against Schalke.