US Open: Venus and Serena Williams were at the top of their games on Day 1 of the US Open. Venus Williams, now ranked 60th, beat 12th-seeded Kirsten Flipkens 6-1, 6-2 Monday. Serena Williams crushed 2010 French Open champion Francesca Schiavone.
Andy Roddick says he'll retire after the US Open. Roddick is the last American man to get a Grand Slam victory, the US Open in 2003. Roddick played in four Grand Slam finals, losing to Roger Federer in each.