By having a coach/team that applies team discipline. You think Parcells or Coughlin or Belichick would put up with Woodley's insane fatty fat fatty body? Allowing Woodley to get that fat is insane, while making $10 mill a year.
Woodley showed up in camp in the best shape last year he has ever showed up in. Read the reports in the offseason, not just make assumptions. Your posts are often just sterotypes and assumptions, not facts. Do some research once and a while. Go to the Steelers site and read what Butler said about Woodley coming into camp last season.