On May 13, the Washington Nationals have a 20-22 record. After their stretch at the beginning of the season where they lost seven out of eight and five in a row, this team has been hovering around the .500 mark for pretty much the entire campaign. That is crazy to think about considering the expectations coming into the year . But after not having a winning record since March 31, there's a chance that could change soon because of one main reason. The Nationals caught a break with their upcoming schedule. Across this 16-game stretch , they face three teams at the beginning of this span that have a negative run differential -- the Cincinnati Reds, Baltimore Orioles and New York Mets -- and that should allow them to finally get above .500.…