[Rain Man]

It's been five years since I've updated the Chiefs' franchise momentum chart. If you look back, my last update was just after the final game of the Romeo Crennel era, and according to the numbers that game had become the lowest point in Chiefs franchise history.

Well, I've got some good news. Dorsey and Reid have clawed back nearly all of the -27.09 score that marked the low-water mark of the franchise, and have brought the Chiefs back almost to break even at an index of -0.05. If not for that referee stealing the playoff game from them, the Chiefs would be handily positive right now, and they were actually in the black for the last two regular season games of 2016. That's a huge accomplishment.

Andy and Dorsey have been at the helm for four years, and this four-year stretch has shown the second-greatest four-year increase in momentum in franchise history, eclipsed only by the 1966-1969 summit of Everest. Here are the five greatest four-year increases in franchise momentum in Chiefs history.

1966-1969 / +29.08
2013-2016 / +27.05
1990-1993 / +25.95
1989-1992 / +19.72
1991-1994 / +17.98

If you add to this the natural optimism of having a top-ten pick as a quarterback, optimism appears to be the name of the game for the Chiefs right now.