Nadal dethrones Federer to become world no. 1 again
Spain's 16-time Grand Slam champion Rafael Nadal displaced Swiss rival Roger Federer at the top of the ATP men's singles rankings. Nadal, who held the number one spot up until February 18, is now beginning his fifth stint and 168th week at the top of the men's singles rankings. The 31-year-old has been inside the top 10 since April 2005.