The midfielder has not been able to take part in full training since, though is on course to take part in Saturday’s session in a bid to prove his fitness before Forest welcome the reigning Premier League champions to the City Ground.
“Morgan Gibbs-White is doubtful. He couldn’t train the entire week with us, but it looks like he can join tomorrow’s session, and he had an individual session today with our rehab coaches,” Glasner revealed in Friday’s press conference.
“He suffered a minor muscle injury at Palace, so we have to see how he reacts today and how he deals with tomorrow’s session. Then I will take the final decision.
“In a long season, this is a situation that happens, especially when players are going away and playing for their countries for more than two weeks.
Transfer news LIVE: Shock Arsenal moves; Man Utd double deal
Carrick makes Man Utd assertion amid questions over future
Arteta reveals major Arsenal boost in new four-man injury update
Rediscover your adventurous side on an exotic getaway
“It’s not to blame anybody; it’s just that every manager has a different style of training, which the body has to get used to, with a different load.
“It doesn’t seem too serious, so there is a chance he will be available.”
In addition to Gibbs-White, Nikola Milenkovic is a doubt after returning to training following over a month on the sidelines with a hamstring issue.
"Savona will still miss the game, and Igor as well, Glasner added.
“Milenkovic trained for the first time today, so we will see how he reacts. He could be in the matchday squad, but let’s see because he has been out for several weeks.