Kolo Toure is reportedly undergoing a medical with Celtic ahead of joining the club on a short-term deal.
The experienced centre-back is currently available on a free transfer after leaving Liverpool at the end of last season, and it is understood that he has no plans to retire.
According to Sky Sports News, Toure has agreed to link up with former Liverpool boss Brendan Rodgers at the Scottish giants and is currently completing medical tests at the club's training ground.
The 35-year-old, who earned 118 Ivory Coast caps between 2000 and 2015, has represented Arsenal, Manchester City and Liverpool during a successful playing career.