Manchester United manager Erik ten Hag has shown great resilience to keep the team afloat during this injury-hit campaign. While other managers would have been fired at the midway point of the campaign, we have seen it before, Erik ten Hag has been able to rally his team and fight back into Champions League contention. Now, he has Manchester United in the FA Cup semi-finals, after a stirring 4-3 win at home to Liverpool. Part of the key to this is the way Ten Hag has managed to get his players behind him. The team spirit was very evident in that win and the jubilant post-match scenes. Sebastie…