Newcastle United legend, Alan Shearer, has insisted that Manchester United have “already made a decision” on Erik ten Hag’s future. Shearer claims the Dutchman will be sacked even if he wins the FA Cup. United are through to the final of the competition, following a hollow victory over Coventry City on penalties. The Red Devils squandered a three-goal lead against the Championship side, before eventually winning 4-2 in the shoot-out. Under Ten Hag, United have failed to surpass their achievements of finishing third in the league last season and winning the Carabao Cup. As it stands, they look …