John Isner, Jack Sock and the Bryan twins Bob and Mike will represent the United States against Australia in the first round of the Davis Cup next month.
US captain Jim Courier's roster was announced on Tuesday.
It will be Lleyton Hewitt's first Davis Cup competition as Australia's captain. His players for the March 4-6 tie on an outdoor grass court in Kooyong in Melbourne will be Bernard Tomic and Nick Kyrgios in the singles and Sam Groth and John Peers as the doubles pairing.
The US and Australia have met 45 times in the Davis Cup, with the Americans holding a 25-20 edge.
The winner of this first-round match-up will face Belgium or Croatia in the quarter-finals in July.
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