Ryan Zimmerman has faced R.A. Dickey enough to know what to expect from his knuckleball. "I don't want to say it's comfortable because when he's got a good one going it's not easy," he said. "Having faced him a few times before, you at least know what to expect." Zimmerman hit a two-run homer, Stephen Strasburg struck out 10 and the Washington Nationals completed a three-game sweep with a 3-2 victory over the Atlanta Braves on Thursday night. Read more http://www.espn.com/mlb/recap?gameId=370420115