As Rafael Nadal gears up to compete in his final professional tennis tournament at the Davis Cup this week, his longtime sponsor Babolat wanted to make sure he ended his career in style.

Tennis superstar Novak Djokovic has playfully ... Djokovic, 37, was recently spotted by an eagle-eyed supporter carrying a grey Pikachu backpack as he walked into Brisbane airport.

Aside from his relaxed Lacoste tracksuit, Djokovic carried a backpack featuring Pikachu, arguably the mascot of the massively popular Japanese anime series "Pokemon." Tennis journalist Bastien ...