Jack Sock's 'tweener volley was sensational but it still wasn't enough to get the better of Roger Federer during this rally at the Nitto ATP Finals in London.
London 2017 Federer, Sock Hot Shots
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Jack Sock's 'tweener volley was sensational but it still wasn't enough to get the better of Roger Federer during this rally at the Nitto ATP Finals in London.
