Algeria have allowed the former PFA Player of the Year to leave their training camp to finalise a transfer.
His whereabouts is currently unknown, but Mahrez is rumoured to have been spotted in London in the past few hours.
It’s not known where the 26-year-old is heading, but the bookies clearly think he’s joining Chelsea.
So what are the odds of him moving to Stamford Bridge? And does any other club have a realistic chance of signing him?
Click through the gallery above to see the latest Riyad Mahrez transfer odds.