Peter Crouch sends 'difficult' Liverpool warning to incoming manager Arne Slot but praises Feyenoord boss' heavy metal football' - as Andy Robertson insists the Reds' focus is on giving Jurgen Klopp a 'farewell he deserves'

Former Liverpool star Peter Crouch (inset) has warned incoming Reds boss Arne Slot (left) that it will be 'difficult' to replace Jurgen Klopp (right) in the Anfield dugout at the end of the season.