Part of the agreement includes a new training system of intern referees that would be on standby as replacements, or future refs.
Replacement referees would still be needed for Thursday's Browns Ravens game.
The news comes after a day of back and forth negotiations. ESPN reported that "an agreement in principle is at hand." The New York Times said the sides "were closing in" on a new agreement.
The NFL declined to confirm that a tentative contract was imminent.
Stay with NBC26 for the latest on this developing story.