Steve Johnson, left, celebrates with Jack Sock after they won the doubles match against Australia’s Sam Groth and John Peers at the Davis Cup quarterfinal in Brisbane, Australia, on Saturday.
Steve Johnson, left, celebrates with Jack Sock after they won the doubles match against Australia’s Sam Groth and John Peers at the Davis Cup quarterfinal in Brisbane, Australia, on Saturday. Tertius Pickard AP
Steve Johnson, left, celebrates with Jack Sock after they won the doubles match against Australia’s Sam Groth and John Peers at the Davis Cup quarterfinal in Brisbane, Australia, on Saturday. Tertius Pickard AP

Late sub Jack Sock lifts U.S. to doubles win to stay alive in Davis Cup quarterfinal

April 08, 2017 03:33 PM