Liverpool in a tight affair.
Liverpool defence of their Champions League title hangs in the balance.
After Saul Niguez’s early strike gave Athletico Madrid an aggregate lead going into the second leg.
Athletico Madrid have never lost a match in which Saul Niguez has scored played.
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Two times finalists Athletico, who have been on a poor run of form, held on to a fourth minute lead given to them by Saul.
The Spanish midfielder turned sharply to fire home after a corner came off the boot of Fabinho.
The return leg is on Wednesday, 11 March.