Former Liverpool defender Mark Seagraves reckons Jurgen Klopp's men will have to restrict Lionel Messi's attacking prowess if they have any chance of conquering mighty Barcelona in their own backyard at Camp Nou in the Champions League semi-final first leg tonight.

The Catalan giants are unbeaten in 22 matches across all competitions and the Ernesto Valverde-managed go into this match as favourites having clinching back-to-back La Liga titles on Saturday.