Juan Martin del Potro says he was thinking to retire before comeback against Dominic Thiem, ESPN

Juan Martin del Potro admitted he was thinking to retire in the 2nd set against Dominic Thiem, as he couldnt breathe, but the Argentinian came back from two sets down to advance at the 2017 US Open. Subscribe to ESPN on YouTube: Watch ESPN on YouTube TV: Get more ESPN on YouTube: First Take: SC6 with Michael Jemele: SportsCenter with SVP: es, pn, SVPonYouTube ESPN on Social Media: Follow on Twitter: Like on Facebook: Follow on Instagram: Visit ESPN on YouTube to get uptotheminute sports news coverage, scores, highlights and commentary for NFL, NHL, MLB, NBA, College Football, NCAA Basketball, soccer and more. More on