Neymar set to start against Red Star

"I think if training goes well today (Monday) then it's obvious he will play," the German said.

The world's most expensive player came off early in the 2-2 draw at Bordeaux on December 2 after hurting the same groin he injured playing for Brazil against Cameroon in November.

The Parisians need to win in Serbia on Tuesday if they are to guarantee a place in the last 16.

Liverpool face Napoli in the other Group C fixture with the 'Reds' needing to clinch all three points at Anfield to have any chance of advancing.