Chiefs-49ers 5 questions with the enemy: Is this a playoff-built rivalry?

On Sunday, the Kansas City Chiefs face the San Francisco 49ers. We welcome Marc Delucchi of Niners Nation — our sister SBNation site covering the 49ers — for Five Questions with the Enemy.

1) Many of us grew up watching the 49ers as part of great rivalries forged through playoff matchups. How do the Chiefs compare as Bay Area villains to like the 1990s Cowboys?