Liverpool defender Andy Robertson said he and his team-mates won't progress in the FA Cup unless they deliver a better performance against "difficult" Wolves.
On Friday at Molineux, the Reds will fight Wolves for a place in the FA Cup quarter-finals three days after the sides met there in the Premier League.
With his first league goal since November, Mohamad Salah appeared to have earned a point for the Reds on Tuesday after the hosts took the lead through Rodrigo Gomes – but Wolves snatched a win in injury time.
Robertson knows Liverpool need to offer more if they hope to reach the last eight of the FA Cup.
"You don't win many games of football playing the way that we did," Robertson said. "We probably put intensity into the game a bit too late.
"Wolves are a team that are really difficult to beat at the minute.
"We know Molineux is a tough place to go and we need to play a lot better than we did the other night to get anything out of the game."
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