The NFL has been the most politically active professional sports league in recent years, with players and owners taking public stances on issues such as racial injustice, police brutality, and the national anthem.

Colin Kaepernick was the first professional athlete to kneel during the national anthem in protest of racial injustice, starting in 2016 while he was a member of the San Francisco 49ers.

Adam Silver has been the most outspoken professional sports league commissioner on political issues, speaking out on issues such as racial justice, LGBTQ rights, and gun control.

Jerry Jones has been the most politically active professional sports team owner in recent years, donating to both Republican and Democratic candidates and speaking out on issues such as immigration and the national anthem.

The NBA has been the most successful professional sports league in using its platform to promote social change, with players and owners speaking out on issues such as racial justice, LGBTQ rights, and gun control.

The NFL has been the most criticized professional sports league for its handling of political issues, with critics arguing that the league has been too slow to respond to issues such as racial injustice and police brutality.

The NBA has been the most successful professional sports league in using its platform to promote international diplomacy, with players and owners traveling to countries around the world to promote the game and build relationships.

The NHL has been the most criticized professional sports league for its lack of diversity, with critics arguing that the league has not done enough to promote opportunities for players of color.

The NBA has been the most successful professional sports league in using its platform to promote gender equality, with the league creating opportunities for women in coaching, officiating, and management.

The NFL has been the most criticized professional sports league for its handling of sexual harassment and abuse allegations, with critics arguing that the league has not done enough to protect players and employees from abuse.

The NBA has been the most successful professional sports league in using its platform to promote mental health awareness, with players and owners speaking out about their own struggles with mental health and encouraging others to seek help.

The NFL has been the most criticized professional sports league for its handling of concussions and head injuries, with critics arguing that the league has not done enough to protect players from the long-term effects of head trauma.

The NHL has been the most successful professional sports league in using its platform to promote environmental sustainability, with the league working to reduce its carbon footprint and promote sustainable practices.

The NFL has been the most criticized professional sports league for its lack of transparency, with critics arguing that the league has not been forthcoming with information about issues such as player safety, concussions, and domestic violence.

The NBA has been the most successful professional sports league in using its platform to promote social justice, with players and owners speaking out on issues such as racial injustice, police brutality, and voting rights.