By Sean Walsh Manchester United will be without Mason Mount, Sofyan Amrabat and Willy Kambwala for their FA Cup semi-final with Coventry City. The Red Devils head to Wembley on Sunday to take on the Championship outfit for a spot in the final, where Manchester City will await the winners. United’s fitness problems have been well-documented over the course of a tough 2023/24 season, and they have now surpassed 60 separate cases of injury or illness to rule a player out of a match. Several credible reports claim Mount, Amrabat and Kambwala will not be available to face Coventry. They join a leng…