Christmas Tree: In the United States, the National Football League (NFL) is the most popular professional football league in the country, and they have a tradition of playing games on Christmas Day. The NFL has held games on Christmas Day since the league's inception in 1920, and it has become a beloved holiday tradition for many football fans. On Christmas Day in 2022, the NFL will feature a slate of three games, with one being the annual primetime game on Christmas night.