Juventus playmaker Andrea Pirlo has warned his side against complacency when they host Celtic in the second leg of their Champions League last-16 tie on Wednesday.
The Italian champions lead their Scottish counterparts 3-0 from the first leg played in Glasgow last month.
"Celtic for a start will be wounded," he told the Scottish Sun. "They are a very proud football club and have a very proud set of fans.
"It will have hurt them to see the way they were beaten at their home - and if we are complacent, then that is when they could have their revenge.
"If we stay professional and concentrate then I am confident we can progress. We respect our rivals but to fail against the Scots in Turin would be one of the biggest disasters in the history of this club."
Juventus last won the Champions League in 1996.
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