The 21-year-old A-League young player of the year has agreed three-year deal with the London club, who have been busy in the transfer market this summer under new manager Lawrie Sanchez.
"It´s just a fantastic opportunity for me to join a club in the English Premier League," Leijer said.
Copyright (c) PA Sport 2007, All Rights Reserved.
Do YOU want to write for GiveMeSport? Get started today by signing-up and submitting an article HERE: http://gms.to/writeforgms