Sabine Lisicki

Serena Williams beats Flavia Pennetta in Toronto

Top-ranked Serena Williams rebounded to beat Italy's Flavia Pennetta 2-6, 6-3, 6-0 on Tuesday in the second round of the WTA Tour's Rogers Cup. "I was really frustrated with how I was playing," Williams said. "And then I got really angry. ... So I said, 'Serena, you're going to have to be positive and be good to yourself out here.'" The 21-time Grand Slam winner won a day after sister Venus Williams was eliminated in straight sets by Germany's Sabine Lisicki. The 33-year-old Williams blamed unforced errors for her early struggles. "It was a good opportunity for me because I haven't played a match on hard courts since...