Cowboys quarterback Dak Prescott is tackled by Ravens defensive tackle Nnamdi Madubuike during the second quarter Sunday at AT&T Stadium in Arlington, Texas. The Ravens took a 28-6 lead behind a powerful early defensive effort and standout ground game led by running back Derrick Henry, then hung on for their first win of the season against two losses, 28-25. For coverage, see Sports and go to baltimoresun.com/sports.