While NFL rivalries have lost some of their intensity because of the effects of free agency this still remains one of the classic rivalries in sports. This rivalry began back in the days of the AFL and was very much a David vs. Goliath match up. The Raiders were one of the dominant teams in not only the AFL but eventually the NFL as well while the Broncos struggled in obscurity for the first decade of their existence. This rivalry became much more prominent in the seventies when the Broncos became a legitimate contender, and it became a common thing for both teams to leave the benches and fall into a massive melee in the middle of the field. Times have changed and you don’t see the players as involved in it, but the fans rivalry between these two teams is still very alive.