1. American football played at a professional level by paid athletes, typically organized into leagues such as the NFL (National Football League)
He had a successful career in professional American football, playing for several NFL teams.
Ele teve uma carreira bem-sucedida no futebol americano profissional, jogando por vários times da NFL.
2. The sport of American football as a commercial and entertainment industry with organized teams, leagues, and competitions
Professional American football is one of the most popular sports in the United States.
O futebol americano profissional é um dos esportes mais populares nos Estados Unidos.