By Felix Keith Liverpool will be without Mohamed Salah and Darwin Nunez for their Premier League game against Luton on Wednesday night. Both forwards were doubts for the 7.30pm kick-off at Anfield and they have now been ruled out, leaving Jurgen Klopp with a selection headache. Diogo Jota went down with a serious injury in the 4-1 win over Brentford on Saturday, meaning a very depleted attack for the Luton game. Klopp said on Nunez’s issue after the Brentford game: “He felt that in that game and there was nothing around. We go day by day.” He then added on Salah: “It is day by day as well with…