Rio Ferdinand used Celtic's pasting at the hands of Real Madrid to reveal why Ange Postecoglou's side were unwavering in their approach.
And the Australian coach reckons the former Manchester United and England defender is bang on the money when it comes to the style he implemented and thus perfected buring his two years in Glasgow.
Celtic suffered a similar fate in the Champions League this week when rivals Atletico Madrid put six past Brendan Rodgers' team, with Postecoglou's group on the receiving end of a 5-1 defeat in the Spanish capital against Los Blancos last season.
The Hoops, as they customarily did under the now Tottenham coach, went full pelt against Carlo Ancelotti's men at the Bernabeu with former star Jota on target.
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