Head coach Arne Slot is “100 per cent convinced” Liverpool will be a different team next season after a 1-1 draw at home to Chelsea was greeted with boos. The Dutchman became the personal target for the crowd when his substitution of 17-year-old winger Rio Ngumoha for the fit-again British record signing Alexander Isak in the 67th minute received the loudest jeers of the afternoon. Slot revealed afterwards the teenager was suffering from cramp but said he knew before the board went up what the reaction would be. Another disappointing performance, having taken a sixth-minute lead through Ryan Gravenberch , left Slot facing more criticism from supporters but he retains the backing of the Anfield hierarchy and pledged to win back fans next season. “Yeah, I do. Not this season, by the way,” said the Dutchman when asked whether he could turn the crowd around.…