Mental toughness key for Djokovic
PARIS -- Novak Djokovic's physical improvements, through rigorous diet and diligence in the gym, have drawn a great deal of attention. Less obvious and far harder to quantify are the strides he has made in the department of mental health.
This might be the most important, if overlooked, factor in Djokovic's streak of 41 victories to start 2011.
"It's really a requiring sport," Djokovic said after his fourth-round victory over Richard Gasquet. "You have to travel and play so ...
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