ROME, ITALY - MAY 09: Roger Federer of Switzerland speaks to Rafael Nadal of Spain ahead of a training session on Day Two of The Internazionali BNL d'Italia 2016 on May 09, 2016 in Rome, Italy. (Photo by Dennis Grombkowski/Getty Images)
ROME, ITALY - MAY 09: Roger Federer of Switzerland speaks to Rafael Nadal of Spain ahead of a training session on Day Two of The Internazionali BNL d'Italia 2016 on May 09, 2016 in Rome, Italy. (Photo by Dennis Grombkowski/Getty Images)