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.