Querrey Previews Federer Vs Goffin SF Clash Nitto ATP Finals 2017 Nov 18, 2017 Sam Querrey gives his thoughts on the semi-final clash between Roger Federer and David Goffin at the Nitto ATP Finals on Saturday. Tags: 2017 Nitto ATP Finals Sam Querrey Share 0 Share on Facebook Tweet Tweet on Twitter +1 +1 on Google Plus