Comedian Jimmy Fallon pays homage to the art of grunting.
Australian Open runner-up in training for comeback from heel surgery.
Andy Murray took the NBA half court challenge, but couldn't connect on any of his five heaves.
In a sign summer is nearly here, Wozniacki hits the water.
World No. 2 ranks fifth on Forbes's highest-paid athlete list; see where Novak, Maria, Serena and Rafa rank.
Three-time finalist will work as tennis analyst during event.
Hall of Famer says it's no secret world's top two "don't particularly like each other"; asserts players are compelled to play politically correct game.
