Liverpool's Martin Skrtel believes defenders in opposing Premier League sides must have 'nightmares' about team-mate Luis Suarez.
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Skrtel and Suarez are likely to play a part in Thursday night's UEFA Europa League tie at home to Swiss side Young Boys.
Manager Brendan Rodgers is keen to put out a strong side as victory will put them through to the knockout stages with a match to spare if Udinese fail to beat Anzhi in Moscow.
Rodgers is fully aware just how well Suarez is playing at the moment, although he rejected Skrtel's assertion that defenders were in fear of him.
"He is certainly one of the top strikers in this moment in European and world football, there is absolutely no doubt, and I think he has proven that," said the Northern Irishman.
"If you look at the season so far, and even in his national team games as well, he is a guy at the top of his game enjoying his life and his football.
"He is an outstanding striker and hopefully it continues. I don't think opponents are scared. They are very aware of his talent.
"What makes Luis so unique is his unpredictability, which is difficult for opponents. He fakes to shoot, he twists, he turns and in particular in and around the box his cleverness and his brightness is incredible.
"He trains up against the likes of Martin Skrtel, Daniel Agger, Jamie Carragher and Sebastian Coates and these are tough, committed centre-halves and it is very hard for them every single day.
"He still has a lot to learn and develop but hopefully he can continue in the same vein he has been in."
