Dele All was held at knifepoint and punched after robbers broke into his house on Wednesday morning.
According to the Daily Mail, the Tottenham midfielder was hit in the face but didn’t suffer any major injuries.
Two males broke in Alli’s north London property just after midnight and threatened the England international.
The 24-year-old is currently isolating with his brother, Harry Hickford, their two partners and a friend.
Alli suffered a minor facial injury, while the two culprits took various items such as jewellery and watches.
Alli and the other victims were said to be shaken by the incident.
Alli’s property has CCTV cameras installed and the footage has been passed onto the police, which have opened an investigation.
A police spokesman said: "Police were called at approximately 00:35hrs on Wednesday, 13 May to reports of a robbery at a residential address Barnet.
"Two males gained entry to the property and stole items of jewellery, including watches, before fleeing.
"One male occupant of the property, aged in his 20s, suffered a minor facial injury after being assaulted. He did not require hospital treatment.
"No arrests; enquiries into the circumstances continue."
A source told The Sun: A source said: ‘’Dele was still up and playing pool downstairs with six friends.
"It all kicked off and Dele was hit in the mouth by one of the robbers. One of his friends tried to have a go back and was also beaten.
It all kicked off and Dele was hit in the mouth by one of the robbers. After stealing two expensive watches from Dele, one of the robbers went upstairs and jewellery.
"It was a terrifying experience for everyone present and Dele has been left extremely shaken up."