Trent Alexander
Klopp expects Alexander-Arnold to return after the international break along with midfielder Thiago Alcantara, who is recovering from a calf injury.
Alexander-Arnold limped off in the closing stages of England's 1-0 win after sustaining the injury while clearing the ball.
lopp said he did not understand England boss Gareth Southgate's decision to drop Trent Alexander-Arnold from the squad for their World Cup qualifiers.
Southgate said he could hand Borussia Dortmund teenager Jude Bellingham his first cap when they host Ireland on Thursday.
