NFL owners approved changes to the personal conduct policy Wednesday, but Commissioner Roger Goodell will retain authority to rule on appeals.
The owners rewarded the Vikings for arranging to build a new stadium on the site of the old Metrodome by choosing Minneapolis over New Orleans and Indianapolis.
NFL owners will vote Tuesday on the site of the next Super Bowl, choosing between New Orleans, Indianapolis and Minneapolis.
NFL owners likely will consider expanding the playoffs by two teams, beginning in 2015, when they hold their spring meetings in Orlando next week, but a vote on the subject is uncertain.
NFL owners will vote on the sites of the 50th and 51st Super Bowls on Tuesday at their spring meetings.
The Pro Bowl will return to Honolulu next January and again will be played the week before the Super Bowl.
The NFL is looking to make the Rooney Rule more effective after eight available coaching jobs and seven for general managers did not go to a minority candidate.
NFL owners have passed a player safety rule barring ball carriers from using the crown of their helmets to make contact with a defender in the open field.
The owners outlawed peel-back blocks anywhere on the field. Also banned is overloading a formation while attempting to block a field goal or extra point.
The NFL announced on Monday from the 2013 NFL owners meetings that the league awarded 32 compensatory picks to 16 different clubs.
According to NFL general counsel Jeff Pash, speaking to media at the owners meetings in Atlanta, Professor Stephen Burbank dismissed the grievance filed by Washington and Dallas.
The NFL has made thigh and knee pads mandatory equipment for the 2013 season, something the players’ union could oppose because the move was not collectively bargained.