Rafael Nadal is wary of saying he's fully recovered from a troublesome right thigh injury as he defends his Monte Carlo Masters title.
The top-ranked Spaniard only recently returned to action at the Davis Cup, after a recurrence of the injury forced him out of the Mexico Open and then Masters tournaments at Indian Wells and Miami last month.
Those setbacks followed his crushing disappointment at the Australian Open, where he was forced to retire in the fifth set of the quarterfinal against Marin Cilic.
Nadal had expected to make his comeback in Acapulco, but the injury flared up again during a last practice session with French player Adrian Mannarino. Looking...