Tanner Roark has career night as Nationals provide plenty of support in win over Padres

SAN DIEGO -- Every sector of the Washington Nationals has operated at full blast for the past week, but as they throttled another overmatched opponent Friday night, they only needed one pitcher. Their relievers took shelter in the bullpen. Their offense erupted, but every run that came after the game's second batter proved cosmetic. All the Nationals required was the slightly stocky, out-of-nowhere starter who leads them in ERA. One of the hottest teams in baseball didn't need anything more than...