Kei Nishikori is the latest top player to pull out of the U.S. Open because of an injury.
The agent for the 2014 runner-up and 2016 semifinalist at Flushing Meadows said Wednesday that Nishikori will miss the rest of the season because of a torn tendon in his right wrist.
Olivier van Lindonk wrote in an email that Nishikori, who is No. 9 in the ATP rankings, heard a "pop" in his wrist while hitting a serve during a practice session this week at the Western & Southern Open hard-court tournament in Mason, Ohio. Nishikori withdrew from that event on Monday.
Van Lindonk said Nishikori saw two wrist specialists and sent results of MRI exams to three other...