http://sportsillustrated.cnn.com/football/...ew/si/steelers/
"To improve an attack that ranked among the league's worst in total and passing yards, and scoring, Donahoe brought 14 offensive linemen to camp, the most ever during his seven-year tenure. After only two days of practice, however, he was down to 10. "That's the kind of thing that makes you old before your time," Donahoe says. "We wanted to improve the line because, frankly, if you can't block people, it doesn't really matter what your skill players can do.""