Remember Jack Sock, the hard-hitter from Nebraska and former American tennis prodigy? He’s still ticking. Banished to Court 5, which seats about 1,140 fans, Sock posted a big U.S. Open upset ...

NEW YORK (Reuters) – Fourth seed Alexander Zverev advanced to the fourth round of the U.S. Open on Saturday, when Jack Sock retired with a thigh injury trailing 3-6 6-2 6-3 2-1. Zverev had ...

Aug 28 (Reuters) - American Jack Sock will retire from tennis after the U.S. Open, the former world number eight said on Sunday. Sock, 30, has won four ATP singles titles and 17 tour-level doubles ...