Friday's Sports In Brief (The Associated Press)

NEW YORK (AP) — Before Jack Sock took on 2014 U.S. Open champion Marin Cilic in the third round, the 23-year-old American acknowledged that, as of a couple of years ago, simply making it that far would have made him, to use two of his words, ''satisfied'' and ''excited.'' Now Sock wants more.
Source: Yahoo.com