Referees signal a first down during a high school football game between Sacred Heart Prep of Atherton, California, and Salesian High School of Richmond, Calfornia. October 16, 2004. (Photo by Madison Images, Inc./Corbis via Getty Images)
Referees signal a first down during a high school football game between Sacred Heart Prep of Atherton, California, and Salesian High School of Richmond, Calfornia. October 16, 2004. (Photo by Madison Images, Inc./Corbis via Getty Images)