Hellickson throws 6 perfect innings in Nationals' 4-0 win

SAN DIEGO -- Jeremy Hellickson didn't give the San Diego Padres a chance over the first six innings.

It was 18 up and 18 down for the Padres, who only four nights earlier had been no-hit by four Los Angeles Dodgers pitchers in Monterrey, Mexico. And here they were back home, looking totally lost against Hellickson's curveball and changeup.

"Everybody says they don't think about it, but once you get the fifth, sixth inning, you can't help but think about it," Hellickson said after leading the Washington Nationals to a 4-0 win Tuesday night by allowing only two hits while striking out eight in 6 2/3 innings. "But once you get on the mound you kind of forget about it and just try to do what…