Three teams have qualified for the semi-finals of the FA Cup following Saturday’s matches. They are Manchester City, Chelsea and Southampton. City booked their spot with a 4-0 thrashing of Liverpool in the first game of the day, with Erling Haaland scoring a hat-trick. In the second game of the day, Chelsea hammered Port Vale 7-0 at Stamford Bridge. Arsenal were eliminated from a second competition in the space of three weeks, after losing 2-1 a…