Giorgos Giakoumakis says he is "optimistic" Celtic can progress from their Champions League group into the knockout stage of the competition.
The Hoops ace insists the team are "well-prepared" and confidence is "really high" ahead of their clash with Shakhtar Donetsk in Warsaw on Wednesday evening. It's their first game since they were beaten 3-0 at home to Real Madrid on Tuesday night - but Giakoumakis says that defeat has only made them stronger.
The striker reckons the experience from the match against the European champions will benefit them tonight - and he hopes they can learn from their mistakes as they bid to blaze a trail through Group F and into to the last 16. Speaking to Celtic TV from the team hotel in the Polish capital, the Greek striker said: "I think the team is well-prepared and our confidence is really high.
