Nationals prospect Stephen Strasburg pitched five no-hit innings in his fourth professional start on Tuesday. Strasburg also drove in the game's only run as the Double-A Harrisburg Senators blanked the Reading Phillies 1-0. He retired the first 13 batters he faced in the opener of a doubleheader, striking out six. Strasburg improved to 3-0 and lowered his ERA to 0.52.