What happened to Van Gaal's Man Utd No.2 who claimed he was "fully in charge"

The Dutchman was relieved of his duties shortly after he led United to FA Cup success - and Van Gaal and his team were sent packing before the club appointed Jose Mourinho just four days later

What happened to Van Gaal's Man Utd No.2 who claimed he was "fully in charge"
The Dutchman was relieved of his duties shortly after he led United to FA Cup success - and Van Gaal and his team were sent packing before the club appointed Jose Mourinho just four days later