Yahoo Sports is covering the Chiefs' attempt at an unprecedented third straight Super Bowl title - and the league's attempt to stop it. Up next: Charles Robinson on what's felled past three-peat efforts.

Yahoo Sports is covering the Chiefs' attempt at an unprecedented third straight Super Bowl title - and the league's attempt to stop it - from all angles. Up next: Frank Schwab on a big weapon staving off NFL precedent.

Yahoo Sports is covering the Chiefs' attempt at an unprecedented third straight Super Bowl title - and the league's attempt to stop it - from all angles. Up next: Charles McDonald on how Kansas City's first-year class can step up.

Yahoo Sports is covering the Chiefs' attempt at an unprecedented third straight Super Bowl title - and the league's attempt to stop it - from all angles. Up next: Jori Epstein on what other teams can try to replicate from Kansas City's success.

Yahoo Sports is covering the Chiefs' attempt at an unprecedented third straight Super Bowl title - and the league's attempt to stop it - from all angles. To wrap up: Here are the teams most likely to halt Kansas City's pursuit of history.