Pochettino eyes changes to break Oz's unbeaten run in friendly

United States coach Mauricio Pochettino will rejig his lineup for Wednesday's home friendly against Australia as the Socceroos look to extend their 12-game unbeaten run under Tony Popovic.

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Pochettino said some players were tired after their 1-1 draw with Ecuador in Austin, Texas, on Friday and should not be risked for the high-altitude match at Denver.

"We need to pay attention that we change from Austin to Denver. The conditions are completely different," the Argentine told reporters after training on Monday. "You saw, we suffered.

"It's a good opportunity also to keep improving and showing, maybe, different approaches to the game ... For sure, there are going to be changes, and maybe change the shape."