Guarda su CineBlog01. Fifty years ago, history was made when the Miami Dolphins completed a perfect 17-0 season by winning Super Bowl VII in Los Angeles. Despite several teams coming close, the perfect record has stood the test of time and the 1972 Dolphins remain the only team to complete an undefeated season in NFL history. This examines what made that team so good and how the undefeated season unfolded.