Striker Juli\u00e1n \u00c1lvarez is making a dramatic exit from Argentina s River Plate. He scored six goals in one of his last matches for the team before he joins English Premier League champion Manchester City. River Plate routed Peru s Alianza Lima 8-1 Wednesday night in their final Group F match in this year s Copa Libertadores. River Plate advanced to the knockout stage but won t have the 22-year-old striker throughout the South American tournament. He is set to join up with City after the Copa Libertadores round-of-16 games between June 28 and July 7. River Plate topped its group ahead of Friday s draw.