Jack Sock, of the United States, hits a return to Jiri Vesely, of the Czech Republic, during the Miami Open tennis tournament, Sunday, March 26, 2017, in Key Biscayne, Fla. Sock won 6-3, 7-6(0). (AP Photo/Luis M. Alvarez)
Luis M. Alvarez
March 28, 2017

WHITE PLAINS, N.Y. (AP) Jack Sock, John Isner, Sam Querrey and Steve Johnson will represent the United States against host Australia in the Davis Cup quarterfinals on April 7-9.

U.S. captain Jim Courier announced his roster Tuesday.

Australian captain Lleyton Hewitt's squad is Nick Kyrgios, Jordan Thompson, Sam Groth and John Peers.

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 U.S. 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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