The term "Major Leagues" typically refers to the highest level of professional sports leagues in a given sport. In the United States, this often includes the Major League Baseball (MLB), National Football League (NFL), National Basketball Association (NBA), and National Hockey League (NHL). These leagues feature the best athletes and teams, competing for championships and recognition. Major Leagues are known for their extensive fan bases, significant media coverage, and lucrative contracts. They play a crucial role in the sports industry, influencing trends, player development, and the overall culture of sports. Each league has its own season structure, rules, and playoff systems to determine champions.