Jack Sock Reflects On Improbable Run To Nitto ATP Finals 2017 Nov 13, 2017 Jack Sock takes a look back at his amazing run to make the Nitto ATP Finals in London for the first time in his career. Watch live matches on TennisTV.com Tags: 2017 Interviews Jack Sock Nitto ATP Finals Share 0 Share on Facebook Tweet Tweet on Twitter +1 +1 on Google Plus