What then-Celtic manager Neil Lennon said to Virgil van Dijk after his very first training session was telling.
The Scottish Premiership club snapped up van Dijk for a measly £2 million from Groningen in 2013.
But once the commanding-Dutchman went through his paces, Lennon knew his future lied elsewhere.
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"I was really surprised no one came in earlier for him at Celtic," the 47-year-old said.
"After one day I pulled him in after training and said 'look, you are not going to be here long. Enjoy yourself.'
"He was just that good. I could not believe my luck that we got him from Groningen for €2 million. He had everything.
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"Pace, great physicality, technique and superb in the air in both boxes."
van Dijk eventually secured a switch to the Premier League after two seasons at Celtic Park.
He moved to Southampton for just £13 million before completing a mega-transfer to Liverpool in a deal worth a reported £75 million.
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The 27-year-old has produced defensive heroics since arriving at Anfield.
This season, he's a been a rock at the back, keeping clean sheets for fun as Liverpool mount a serious challenge to win the Premier League title.
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Is van Dijk the best defender in world football? Let us know what you think.
Featured Image Credit:Topics: Liverpool, Football News, Celtic, Football, Neil Lennon, Southampton, Premier League, Virgil Van Dijk