The Colombian went close to scoring on a number of occasions, winning him the man-of-the-match award.
The Reds eventually won the match on penalties.
Klopp told a post-match press conference: "What a boy, what a story, what a player but he should have scored! He agrees probably.
"The speed he has is insane…
"He gets our football 100 per cent. We thought we saw that at Porto. He fits like a glove to our football and that's really really special."
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