Ryan Zimmerman homered and Ramon Ortiz pitched seven strong innings to help the Washington Nationals beat the Tampa Bay Devil Rays 6-2 Sunday. Ortiz (6-6) allowed one run and four hits. He struck out four and didn't walk a batter to earn his first win since June 7. Jae Seo (0-1) allowed four runs, three earned, and seven hits over five innings to lose his first start with the Devil Rays, who