Think about the article. Why did Hubbard ask his teammates to turn their backs to the line of scrimmage?

Hubbard asked his teammates to turn their backs to the line of scrimmage in order to eliminate the distraction of the opposing team and focus on their own performance. By only focusing on their own movements and techniques, they could improve their individual skills and work together more effectively as a team. This strategy allowed them to concentrate on their own game and block out external factors that could hinder their performance.