1. By Philadelphia; Gives additional protections for long snappers on kick plays.
  2. By Philadelphia; Prohibits the “leaper” block attempt on field goal and extra point plays.
  3. By Philadelphia; Expands the “crown of helmet” foul to include “hairline” part of helmet.
  4. By Philadelphia; Amends the challenge system by granting a third challenge if a club is successful on at least one of its initial two challenges, and expands reviewable plays outside of two minutes of each half.
  5. By Washington; Eliminates the limit of three total challenges per team per game and eliminates the requirement that a team be successful on each of its first two challenges in order to be awarded a third challenge.
  6. By Washington; Moves the line of scrimmage to the 20-yard line for any touchback where the free kick travels through the uprights.
  7. By Buffalo and Seattle; Permits a coach to challenge any officials’ decision except scoring plays and turnovers.
  8. By Competition Committee; Makes permanent the rule that disqualifies a player who is penalized twice in one game for certain types of unsportsmanlike conduct fouls.
  9. By Competition Committee; Changes the spot of the next snap after a touchback resulting from a free kick to the 25-yard line for one year only.
  10. By Competition Committee; Reduces the length of preseason and regular season overtime periods to 10 minutes.
  11. By Competition Committee; Gives a receiver running a pass route defenseless player protection.
  12. By Competition Committee; Makes crackback blocks prohibited by a backfield player who is in motion, even if he is not more than two yards outside the tackle when the ball is snapped.
  13. By Competition Committee; Replaces the sideline replay monitor with a hand-held device and authorizes designated members of the Officiating department to make the final decision on replay reviews.
  14. By Competition Committee; Makes it Unsportsmanlike Conduct to commit multiple fouls during the same down designed to manipulate the game clock.
  15. By Competition Committee; Makes actions to conserve time illegal after the two-minute warning of either half.

Read more about the 2017 playing rules proposals.