US Open Day 5 (2R): Andy Roddick keeps Jack Sock in check with straight set win
Well, Jack Sock realizes that Andy Roddick still has a ton more experience than he does. Sock started off serving big, holding serve, then having chances to break. But when he didn't break, Roddick started gaining confidence. Basically Sock still has holes in his game. He tries to hit inside out and is aggressive, but