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.
Rule changes focus on special teams and additional replay oversight
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.
