Brendan Rodgers must decide in the next couple of days whether he wants Celtic to be serious about the Europa League.
The Bhoys sit third in Group B after three matches with one win and two defeats.
What Celtic need to do in the Europa League
A 2-0 loss at Leipzig means Celtic must better that result on Thursday to keep their Europa League hopes alive.

Chances are Celtic will find it tough to defeat Salzburg at Celtic Park and on paper we should beat Rosenborg away.
That means it comes down to a head to head against the Germans essentially in a knock out tie.
MORE CELTIC STORIES
A defeat to Leipzig will all but mean an early exit from the Europa League.
It will be a tough game and we can no longer turn up to Celtic Park and expect a positive result.
Former Celtic attacker Kris Commons has even came out and said Parkhead is no longer a fortress.
If Rodgers wants Celtic to be serious about the Europa League this season, then he must show it. Doing this means not changing the team who romped against Hearts 5-0 on Saturday.
Don’t tinker with what works, Rodgers
Filip Benkovic must play, as should all the other standouts recently such as Ryan Christie, Callum McGregor and Odsonne Edouard.

Benkovic made the bench in Germany due to a fitness scare with Jack Hendry coming on to replace injured Jozo Simunovic.
If a player can travel and make the bench, he must be able to play at some point or they shouldn’t be there.
Rodgers will be slated if he decides to play Hendry over Benkovic again.
There are more reasons to why Celtic are not getting the better of these teams such as finances and player recruitment this summer.
A small date in Celtic Park’s history
Also appearing for the first time ever on Thursday are the new strobe lights at Celtic Park.
These ‘disco lights’ are the second most expensive thing the club bought this summer.

Only the £9 million for Edouard was more expensive, proving how rough the summer window was.
In years to come this game will go down in history for being the first to have these lights.
For it to be a disappointing Europa League defeat to RB Leipzig, that itself will be an embarrassment.
Celtic are a renowned name in world football, not just Europe.
We must stand up and be counted and play the ‘Celtic Way’ no matter who the opponent or competition – Rodgers must realise this by now.