The new labor pact is for seven years.
The NFL and its officials could have a new labor agreement by the end of the week.
The players union is concerned replacement officials won't be able to keep up with the pro game.
A wide gulf between sides on compensation and the ability to fire probationary officials
One-year rule proposal would only happen if replacement officials call games.
The collective bargaining agreement with the officials union expires May 31.
A new union contract will be the top priority between now and the Hall of Fame game.
