Jack Sock takes on Steve Johnson during the U.S. Men's Clay Court Championship at River Oaks Country Club, Saturday, April 15, 2017, in Houston.
Jack Sock takes on Steve Johnson during the U.S. Men's Clay Court Championship at River Oaks Country Club, Saturday, April 15, 2017, in Houston. Yi-Chin Lee Houston Chronicle
Jack Sock takes on Steve Johnson during the U.S. Men's Clay Court Championship at River Oaks Country Club, Saturday, April 15, 2017, in Houston. Yi-Chin Lee Houston Chronicle