American tennis star Jack Sock announces retirement after US Open

Sock has won 4 ATP singles titles and 17 doubles trophies in his career.
His accomplishments include the 2017 Paris Masters title and doubles titles at Wimbledon, US Open, and the Rio Olympics.
The 29-year-old is currently ranked 485th in singles.
Sock will play one last tournament in doubles at the US Open alongside John Isner.
After retirement, Sock may switch to playing pickleball.