Spanish winger Albert Riera has joined Greek club Olympiakos from Liverpool.The 28-year-old completed a medical on Friday and signed a four-year deal, with Liverpool reportedly receiving £3.3m, potentially rising to £4.6m. [LNB]"During the last two years at Liverpool I didn't win any titles, so that's why I took the decision to come to Olympiakos, to win titles," he said. [LNB]"I have come to Olympiakos at the right time. I hope to help the team become one of the 10 best sides in Europe." [LNB]Riera joined Liverpool from Espanyol for £8m in 2008 but failed to command a regular place, scoring only five goals in 56 appearances.[LNB] The outburst against rafa was always the final nail in the coffin! PAFC-LFC92 He fell out of favour at Anfield last season after claiming that Liverpool was a "sinking ship" under former manager Rafael Benitez. [LNB]Riera was greeted by thousands of Olympiakos fans on Friday and admitted he was taken aback by the reception. [LNB]"I was told the fans were coming but what I saw was much more than I expected," he stated. "I did not expect so many people, honestly. It was a surprise for me. [LNB]"Such enthusiasm is good for the club. I understand how important the support of the people is, it's priceless." [LNB]Prior to joining Liverpool from Espanyol, Riera played for Bordeaux and Manchester City.