The National Football League (NFL) is the premier professional American football league in the United States, and is also one of the major North American professional sports leagues. However, the NFL is not without its share of controversies. Throughout history, everything from questionable championship rulings to team relocation decisions to allegedly criminal behavior by players has been part of the conversation surrounding the NFL. Many of the recent controversies have surrounded NFL Commissioner Roger Goodell, player conduct, and/or the league's role in player safety.