U.S. Open Daily: Day Three Preview
The present and future of American men’s tennis will be on display on Day 3 at the USTA Billie Jean King National Tennis Center and the U.S. Open, with Andy Roddick, John Isner and Robby Ginepri all beginning their tournaments alongside two-time reigning USTA Boys’ 18s national champion Jack Sock and 2011 NCAA champion Steve…

