Arne Slot seemed delighted as he spoke to Sky Sports after Liverpool recorded a 3-0 win over Manchester United at Old Trafford. The Dutchman made extremely light work of his first visit to Old Trafford, as a double from Luis Diaz and another strike from Mohamed Salah embarrassed Erik ten Hag on his own patch. After the 3-0 win, Arne Slot chatted to Sky Sports about the tactical ideas behind Liverpool‘s victory, with one comment leaving Roy Keane visibly shocked… What Arne Slot said to Roy KeaneUnlike most managers, the 45-year-old seemed more than happy to explain his tactical preparation ahea…