Ajax have taken the footballing world by storm with their incredible run to the Champions League semi-finals, but Jose Mourinho has revealed how the young Dutch masters might be stopped in their tracks. Ajax swept aside Juventus and Cristiano Ronaldo is their latest giantkilling act this week, setting up a Champions League semi-final clash with Tottenham, who saw off Manchester City in an incredible game a day later. Both sides were unfancied to make it so deep into the competition, but it is Dutch youngsters Ajax, managed by Erik ten Hag, who have in particular captured the imagination with their fearless, free-flowing football.