A former Arsenal player was rushed to hospital after the ball struck him in the face during a game on Saturday.
The 26-year-old had been hit in the face with the ball from close range.
The incident occurred as RWD Molenbeek were beaten 3-1 at home to Charleroi in the Belgian Pro League.
Molenbeek manager Yannick Ferreira stated that there were fears that the player had suffered a brain hemorrhage.
However, the player posted a positive update on Saturday night regarding his situation.
A former Arsenal player was rushed to hospital after being struck in the face with the ball
Ferrera said: 'Jeff was unconscious for about ten minutes. We fear a brain hemorrhage.'
Jeff Reine-Adelaide collapsed on the pitch following the incident and was unconscious for ten minutes.
Reine-Adelaide posted a positive message to fans on Instagram on Saturday night.
He wrote: 'Thanks for your messages of support, more fear than evil.'
Reine-Adelaide's former club Lyon sent their best wishes to Reine-Adelaide.
They wrote on X: 'Olympique Lyonnais is with you at this difficult time.
Jeff Reine-Adelaide collapsed following the incident and was left unconscious for ten minutes
Reine-Adelaide made eight competitive senior appearances during his time at Arsenal
'We wish you a speedy recovery, courage and strength to you.'
Reine-Adelaide joined Arsenal as a youngster in 2015 and remained at the club until 2018. He made eight competitive senior appearances for the Gunners.
He signed for Angers following a successful loan spell and then spent time at Lyon, which included loans at Nice and Troyes before he joined Molenbeek on a permanent basis.