Men to watch at the U.S. Open, which begins Monday:
NOVAK DJOKOVIC
Seeded: 1
Age: 28
Country: Serbia
2015 Match Record: 56-5
2015 Singles Titles: 6
Career Singles Titles: 54
Major Titles: 9 — U.S. Open ('11), Wimbledon ('11, '14, '15), Australian Open ('08, '11, '12, '13, '15)
Last 5 U.S. Opens: '14-Lost in Semifinals, '13-F, '12-F, '11-Won Championship, '10-F
Topspin: Reached the semifinals or better each of the last eight years at Flushing Meadows, including five appearances in the final, but has only one title to show for it.