France's 1998 World Cup winner Frank Leboeuf insists Kylian Mbappe must do more to match icons like Zinedine Zidane. While praising his finishing and impact at Real Madrid, Leboeuf criticised Mbappe's lack of defensive effort and off-pitch controversies. He believes Zidane's charisma and legacy remain untouchable, leaving Mbappe with work to prove his greatness.