“Andre Knowledge has been the sufferer of an unprovoked assault and theft,” mentioned an announcement from Derby.
“He sustained accidents which resulted in him being admitted to hospital, the place he’s in a steady situation.
“Merseyside Police are investigating and the membership will focus its efforts on supporting Andre and his household.”
Merseyside Police didn’t instantly reply to CNN Sport’s request for remark.
Knowledge performed in Derby’s 2-1 victory towards Studying on Saturday.
He signed for the membership from Liverpool after a sequence of mortgage spells and has made 20 appearances thus far this season.
Derby has an out of doors likelihood of constructing the Championship playoffs because the membership seeks promotion to the English Premier League.