While the command of his area was certainly lacking in his early days , he has since developed into a sound all - round goalkeeper , while he has abecome stronger in the air too .
Since then , Cillessen has only developed further .
While the command of Cillessen 's area was certainly lacking in his early days , Cillessen has since developed into a sound all - round goalkeeper , while he has abecome stronger in the air too .
Since then , Cillessen has only developed further .