Ibrox side Glasgow Rangers are set to take on Maribor and Steven Gerrard could make changes.
Coulibaly has made a brilliant start to life at Rangers since signing this summer, but his fitness is current questionable.
The central midfielder’s all action style means that he has developed some fatigue while playing for the Ibrox side.
Coulibaly was substituted off during Rangers’ last match against St. Mirren, and he still hasn’t fully recovered.
Gerrard now admits he’s having some doubts over playing the 22-year-old on Thursday, when Rangers take on Maribor.
He said: “Lassana has recovered quite well and we don’t think it is a big issue, it is maybe more down to fatigue.
“He has posted some very big numbers in the last couple of games, in terms of distances and high speed, so I think it is just is body letting him know that he might need a little bit of a break at some point.
“It is a big game Thursday and we will have to wait and see what he is like in the next 48 hours before we make a decision on him.”
Rangers won the first leg against Maribor 3-1 at Ibrox, so they travel to Slovenia with a healthy advantage.
If Coulibaly is dropped for Rangers, Andy Halliday or Ryan Jack could be included in Gerrard’s starting line-up.
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