Liverpool boss Jürgen Klopp has explained the danger that Benfica pose to his side.

The Reds are hoping to take one foot into the Champions League semi-finals on Tuesday night.

They take on the Portuguese giants in Portugal in the first leg of their quarter-final.

Asked about Benfica's threat, Klopp said in his press conference on Monday: "It's a football-playing side, they have odd positions, high full-backs, stuff like this as well. We have high full-backs as well in moments but it just shows they are ready to take a risk, [it] means when they are in possession they open up the formation.

"There's a lot of space to defend, so we have to make sure that we can win balls so we could use that as well. We expect that they do that, because that's what they did so far in pretty much all the games. But, maybe against us they play completely different.

"We have to adapt to that. It's a mix of these technical players, of speed, and good organisation, I have to say, and that's what makes them dangerous. The fact that they came through the group, in the league they are for sure not exactly in the position - the distance to Porto is, for sure, a bit too big for their understanding.

"But in the Champions League, they overachieved. They were not in the group the favourite, for sure not. They were not against Ajax the favourite, for sure not. Ajax... everybody knows the talent of Ajax is insane and they kicked them out and that shows they know how to get a result. We have to make sure that we have a hand in that as well."