The Romanian coach has all but guided Al Ain to the UAE title this term but has reportedly agreed to return to his former club in Riyadh for next season.Title-bound Al Ain coach Cosmin Olaroiu has agreed to a €12 million deal to join his former club and Saudi Arabian giants Al Hilal according to Romanian newspaper Sport.The 42-year-old Romanian coach has Al Ain sitting nine points clear with five games left to play in the 2011-12 UAE Pro-League season.However according to the reports from Romania, Olaroiu has agreed to a move back to Al Hilal, whom he coached between 2007 and 2009.The report claims a three-year deal worth €12 million has been agreed by Olaroiu and the Saudi champions.Olaroiu, who previously guided Al Hilal to a league and cup double, would take over from current boss Ivan Hasek who replaced Thomas Doll in January.The 13-time Saudi champions failed to win this season\'s Pro League title where they sit four points behind leaders Al Shabab with one game to play.