Aberdeen FC have signed Dan Happe on a pre-contract agreement from Leyton Orient FC. The defender will join the Dons in the summer. Happe has been a key player for Leyton Orient FC, making over 100 appearances for the club. He will bring his experience and skills to the Pittodrie Stadium. The signing is a boost for the Dons ahead of the new season. Aberdeen FC manager, Stephen Glass, has been working hard to strengthen the squad. The signing of Happe is a testament to his efforts. The Dons will look to build on their recent performances and challenge for a top-six finish in the Premiership.