The Kansas City Chiefs are preparing for another Super Bowl appearance, but one of the biggest storylines heading into the game isn’t just their dominance — it’s the controversy surrounding how they got there.

NFL Referees Association executive director Scott Green called the commissioner's defense of officials' integrity "spot on."

On Wednesday, NFLPA executive director Lloyd Howell Jr. rejected NFL commissioner Roger Goodell's claims that safety data doesn't discourage expanding the regular season. Goodell said moving to 18 regular season games and two preseason games might be in the cards.