Liverpool manager Jurgen Klopp admits his side have a very slim chance of reaching the quarter-finals of the Champions League.
They must overturn a 5-2 deficit against Real Madrid at the Bernabeu tonight in order to advance to the last eight.
Klopp knows they will have to be at their best.
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Kick-off is at 8pm.
At the same time, Napoli - who have a 2-nil lead from the first leg - take on Eintracht Frankfurt.