IRVING, Texas -- Injuries along the Dallas Cowboys' defensive line last year almost got to be comical. Too often the Cowboys signed a player on a Tuesday and needed him to play that week. "That's a real challenge for anybody," coach Jason Garrett said. "It's hard to do even when they get their feet underneath them with a little bit of a foundation, let alone do it so quickly. So we had to do that a few different times, but that's the nature of this league.