Roger Federer and Rafel Nadel. No.1 and No.2 tennis player in the world. These are the 2 names that we hear in the tennis world most often than others. Federer of course the most well-rounded player in the open era, won 12 Grand Slams, breaking records constantly even if he is not playing tennis. Nadel, what can I say, it is like God created "CLAY" just for this guy. His movement on the court is like a figure skater on ice, his defense and court coverage is speechless. He is literally better than a dog when it comes to getting the ball back to you, it is impossible to hit winners past Nadel. These 2 player Federer and Nadel could give us fans something that we've been long for. A "RIVALRY" since Pete Sampras and Andra Agassi. Though lately a Serbian tennis player Novak Djokovic has stormed his ranking up into the ATP tour and currently rank No. 3 in the world. He is the only person with the best head to head record against Federer and Nadel. Djokovic is closing in the gap between himself and the 2 best player in the world, I can only hope that he will join this rivalry, cuz this is what tennis is all about.