Greek side Olympiacos are looking to further heap pressure on Manchester United and David Moyes in the Champions League this week. Fresh off the back of winning the Greek league title on Sunday, Olympiacos head to Old Trafford for the second leg of their Champions League tie with nothing to lose.googletag.cmd.push(function() { googletag.display(“div-gpt-ad-1389116196215-0”); });Nelson Valdez and David Fuster were on hand to score the goals for Michel’s side against Panthrakikos, a result which gave the Greeks an 18-point lead with five matches to play. English side United are in real trouble after failing to beat Liverpool on Sunday afternoon, losing 3-0 at home and they must come from behind after a 2-0 first leg defeat. Olympiacos have lost just two games this season on the domestic front, whilst United have lost a total of nine with five coming at home. Meanwhile the Greek side have scored 36 goals away from home this season, conceding just four.