At 38, Juan Martin del Potro Reveals His 5 Toughest Rivals Ever

Juan Martin del Potro opens up about the five toughest rivals of his career, from Nalbandian to Djokovic. Hear Juan Martin del Potro reveal the emotional truth behind every rivalry. #tennisplayer #tennislegend #JuanMartinDelPotro Copyright Disclaimers: Our content is used in adherence to YouTube's Fair Use guidelines. This may include copyrighted video clips and images used under U.S. Copyright Act Section 107 for commentary, news reporting, educational purposes, and more, without specific authorization from copyright holders.