By Dan Marsh Jordan Henderson has admitted that the past six months have been “difficult” for him following his decision to move to Saudi Arabia. The former Liverpool captain, 33, quit Anfield back in July in order to pursue a lucrative move to Al-Ettifaq but the midfielder has been seeking a return to Europe in recent weeks after failing to settle in the Saudi Pro League. And after reaching an agreement to tear up the three-year contract he signed with Al-Ettifaq in the summer, Henderson got his wish on Thursday evening when he completed a transfer to Dutch giants Ajax. Despite claiming he wa…