Parker allowed one hit in eight sterling innings as the Nats returned home with a lopsided victory.

Mitchell Parker was simply untouchable Tuesday night. The Washington Nationals’ left-hander pitched eight dazzling innings of one-hit baseball, leading his team to a commanding 7-0 victory over the Baltimore Orioles in the first of a three-game MLB series.

Washington Nationals starter Mitchell Parker figured that after eight innings and 99 pitches, his job was done Tuesday night. So there the left-hander didn’t see a need to plead with or cajole manager Dave Martinez to extend the longest outing of his major league career.