A host of #USOpen champions headline the men’s player field this year including defending champion @rafaelnadal, @rogerfederer, @delpotrojuan, @djokernole, @andymurray and @marincilic. Tell us who you think will lift the 🏆 this year in the comments below! 📸: 2016 and 2017 US Open _ #atp #rafaelnadal #rogerfederer #juanmartindelpotro #novakdjokovic #andymurray #marincilic #tennis #instatennis #instasports