The Dallas defense keeps doing its thing. The Dallas Cowboys welcomed the Washington Commanders into AT&T Stadium for the first time and promptly pummeled them to the tune of a 25-10 final score. Cooper Rush became the first quarterback in franchise history to win his first four career starts and propelled the Cowboys to a 3-1 record. Dallas won this game in much the same manner as their last two: stifling defense. With the exception of one drive, the Commanders offense was unable to get anything going in the game, and it was never really as close as the score…