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United States goalkeeper Merrill Moses is unable to stop a shot by Miho Boskovic of Croatia during a men's quarterfinal water polo match at the 2012 Summer Olympics, Wednesday, Aug. 8, 2012, in London.
LONDON—Captain Miho Boskovic led three players with two goals apiece and Croatia cruised to an 8-2 win over the United States to advance to the semifinals of men's Olympic water polo.

Croatia put in a complete performance, pouring it on in the first half to lead 5-0 at the break.

The Americans, who came to London looking to improve on their silver medal in Beijing, clawed back to 5-2 halfway through the third quarter. But Croatia's lockdown defense and efficient shooting at the other end of the pool proved too much.

Croatia, looking for its first water polo medal since silver at the 1996 Atlanta Games, plays Montenegro in Friday's semifinal.