See Web Links for NFL Rule book
no
illegal.
Rules changes are made by the NFL Competition Committee, which has eight members made up of coaches and/or managers or various teams in the league.
Ravens
you can go as high as you want...... the NFL does not set rules for points limit
The 32 NFL teams propose and vote on rules and/or changes to the game every year in an annual meeting during the off-season
NFL logos and uniforms are trademarked. Any recordings of the games are only to be used with the written permission of the NFL.
The rules may have changed to protect the players.
IN the Year 1998
Jerry Rice
why are there two different set of rules in the NFL? when is concerns black players and non-black players example; Rothisburger vs. Vick.
Using NFL or team logos requires a license; this is an issue of trademark, rather than copyright.