Rafael Nadal bites it in the Big Apple...

French Open champion and Wimbledon finalist Rafael Nadal had an early exit at the U.S. Open Tuesday night, losing in four sets to David Ferrer. Poor Rafa, his knees were aching and he never really had a chance to win this title because of it. But he showed up and he gave it all he had. His loss assures Roger Federer another year as number one whether he wins the tournament or not....