Novak Djokovic - How Will He Keep Up This Pace?

TORONTO -- How long will this go on? Novak Djokovic looked rusty for all of five games as he began his summer hard-court campaign at the Rogers Cup in Montreal. From there, it was one routine two-setter after another -- Nikolay Davydenko, Marin Cilic, Gael Monfils. By the semifinals, they weren't even trying any more. Jo-Wilfried Tsonga quit after going down a set and a break in the semifinals, saying his arm was tired. Tsonga later explained more clearly in French that the injury was a muscle pull that had been bothering him for the past three days, but it was really Djokovic's fine play that made it hardly worth continuing....Full story & video here