AJAX charmed Europe in 2018-19 season and players like Donny van de Beek, Frenkie De Jong and Matthijs de Ligt all won rave reviews for their performances in the UEFA Champions League. But the Dutch side’s success was also owed to the presence of Hakim Ziyech, a 26 year-old Morocco international whose virtuosity and creative skills helped make Ajax tick. It was something of a surprise that Ziyech was still be on the shelf as Europe’s top clubs lined-up to buy Ajax’s top talent last summer. Less celebrated than the young Dutch internationals, and certainly cheaper and more mature, two transfer windows went by without a deal, largely because Ajax needed to replace him before he would be allowed to leave. At the start…