For about 50 minutes inside Arrowhead Stadium late Sunday, the Chiefs resembled the franchise that put its fans through 25 years of frustration and heartbreak here. Like the teams that spent regular seasons offering hope, only to play a what-could-go-wrong-will-go-wrong game at the worst possible time.
Like the old Chiefs.
But there is one not-so-tiny difference between those teams and the one that embarked on a third straight Super Bowl run Sunday.
