Novak Djokovic and Andy Murray have played in the last two Grand Slam finals, and it's easy to imagine their rivalry overshadowing an aging Roger Federer and an injury-plagued Rafael Nadal in the years to come.

Nadal lost both the singles and doubles finals in the space of a few hours Sunday at the VTR Open in Chile. And Horacio Zeballos, who earned the first title of his career by beating Nadal in three sets, repeated what Nadal has been saying. "Not playing has hurt him," Zeballos said.
After seven months away treating a left knee injury, Rafael Nadal left many questions unanswered in his comeback tournament.
Rafael Nadal wants to stop talking about the aching left knee that kept him away from the ATP Tour for just over seven months until his doubles victory Tuesday with Juan Monaco at a little-known clay court tournament in Chile.
In years past, Novak Djokovic marked his victories at the Australian Open with rowdy late-night celebrations and bleary-eyed photo shoots the next morning in downtown Melbourne.
Andy Murray looks like a one-hit wonder.

The top-ranked Djokovic is the first man in the Open era to win three straight Australian titles — nine others have won back-to-back but were unable to win three in a row.
Novak Djokovic became the first man in the Open era to win three consecutive Australian titles when he beat Andy Murray 6-7 (2), 7-6 (3), 6-3, 6-2 in Sunday's final.

Azarenka won her second consecutive Australian Open title, beating Li 4-6, 6-4, 6-3 in a dramatic final that contained a break for fireworks, two medical timeouts and a nasty fall to the court by Li.