Udinese coach Francesco Guidolin admits Brazilians Maicosuel and Willians still have some way to go.
The pair are yet to make an impact since arriving in the summer.
"You can think that the adjustment to a new team is easier for an older boy, but there are cases where the integration process follows the same path as that of a youngster.
"It takes a little patience, to make them feel important. Those two players are behind the others in terms of professional integration."