Jack Sock, John Isner, Sam Querrey and Steve Johnson will line up for the United States against Australia in next month's Davis Cup quarter-final in Brisbane.
US captain Jim Courier announced his team on Tuesday after Australian captain Lleyton Hewitt's named Nick Kyrgios, Jordan Thompson, Sam Groth and John Peers for the tie that takes place from April 7-9
World No.16 Kyrgios and No.17 Sock are the only players on either team ranked in the ATP's top 20.
The best-of-five series will be played on an outdoor hard court in Brisbane.
The US leads Australia 26-20 in their Davis Cup meetings, including a victory by the Americans in last year's first round.
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