The Blues are 1-0 down on aggregate going into the second leg at Stamford Bridge on Tuesday night.
Potter has been under immense pressure in recent weeks and Saturday’s 1-0 win against Leeds was far from convincing.
There’s been a multitude of factors that have contributed to Chelsea’s dismal form in recent months, one of which has been the club’s injury problems.
Kante has been out of action since September and the Blues have missed the Frenchman’s steel and resilience in midfield.
James has suffered several injuries already this term and missed Saturday’s win against Leeds with a hamstring complaint.
But, in a timely boost before tomorrow’s game, both players fully participated in a training session at Cobham today.
James is the more likely of the two to feature against the Germans, while Kante must still be handled with care.
Thiago Silva is out for six weeks but Wesley Fofana impressed against Leeds and is set to continue in defence.
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