David Goffin becomes the sixth man to take out Federer and Nadal in the same week, scoring a shocking 2-6, 6-3, 6-4 SF upset over Federer at the #NittoATPFinals. Send David a 🏆 if you think he’ll take the title! (📸: @david__goffin) #usopen #davidgoffin #goffin #atp #tennis #protennis #instatennis #instasports #instawow