Chicharito is set to return to the starting XI with Danny Welbeck out of action due to a hamstring injury.
The Dutchman told Voetbal International: "Javier is truly a blessing to work with," he said. "In general, young footballers often have too much, too soon but Chicharito behaves perfectly. He is always smiling, is friendly, well-mannered and open to others.
"The boy had a good upbringing."