Victor Boniface has started rehabilitation after undergoing a successful knee surgery.
Boniface went under the knife in Innsbruck, Austria, on Saturday.
The Nigeria international has already been ruled out for the remainder of the season.
The 25-year-old shared a video on the social media showing him working with a physiotherapist.
Boniface is on loan at Werder Bremen from Bayer Leverkusen.
He registered two assists in 11 league appearances for Bremen before his injury.
