NFL teams that came closest to going undefeated, joining the 1972 Dolphins as members of the perfect club | CBS Sports Headlines NFL teams that came closest to going undefeated, joining the 1972 Dolphins as members of the perfect club Several teams have come close to reaching perfection ESN FeedsThis … Continue reading NFL teams that came closest to going undefeated, joining the 1972 Dolphins as members of the perfect club