Past 'horrific' slide, Sock 1 of 7 US men in French's 2nd Rd

PARIS (AP) - Not too long ago, Jack Sock was ranked No. 8. Then he went through a series of results he calls “horrific,” leading to doubts about whether he might never again win a Grand Slam match.

Now the 28-year-old American feels his tennis game is back in gear ...