Tennis VAVELLaver Cup: Rafael Nadal/Stefanos Tsitsipas vs Nick Kyrgios/Jack Sock photo galleryTeam World comes up huge in doubles to put them in striking distance at the end of Day 2.By Noel John AlbertoSeptember 22, 2019 5:12 AM ETSock and Kyrgios celebrate after their win over Nadal and Tsitsipas. Photo: Noel Alberto