Back where he belongs! 🇦🇷Del Potro will return to the 🔝🔟 in the ATP rankings for the first time since 2014! Here's to many more 🔨s we'll be seeing from the big man this year! 🎥: @delpotrojuan, 2017 #USOpen. _ #tennis #atp #delpotro #delthortro #grandslam #instatennis #instawow