John Hartson believes two home wins over RB Leipzig and Shakhtar Donetsk will secure passage to the last 16 of the Champions League.
Ange Postecoglou's men are still searching for a first win in the group stages after a 3-1 defeat in Germany left them rooted to the bottom of the section with just one point. However, they trail second placed Shakhtar by just three points after their defeat to Real Madrid with it all to play for in the final three games.
Celtic's home record over the years has been a major factor in their success on the European stage with Hartson pointing that out and he reckons maximum points in Glasgow's east end will seal a knockout spot with seven points. Speaking on Go Radio, the Hoops hero said: "Leipzig come to Celtic Park next week. We are still very much in the competition. It is in our hands.