Liverpool fans are perhaps still expecting Arne Slot to sign a new defender in the summer transfer window. Slot has signed a new goalkeeper and new attacker in Giorgi Mamardashvili and Federico Chiesa respectively. But the defensive situation at Liverpool remains uncertain, particularly with no changes to Virgil van Dijk’s contract. The captain’s deal at Anfield will expire at the end of the season, as will that of his fellow defender Trent Alexander-Arnold. But centre-back is one of the most worrying positions for fans of the Merseyside club, along with the number six role. Lutsharel Geertrui…