Manager: Francis Ngannou to Undergo Knee Surgery, Likely Faces 9-Month Recovery
Even if Francis Ngannou does return to the UFC, it will be quite some time before the heavyweight champion is back in action in the Octagon.
https://www.sherdog.com/news/news/Manager-Francis-Ngannou-to-Undergo-Knee-Surgery-Likely-Faces-9Month-Recovery-184391