[Rain Man]

Here's the Raiders' Index using the same rules.

A few things stand out:

First, the high point of Raider civilization dwarfs the high point of Chiefs civilization. Whereas the Chiefs topped out at slightly under 34, the Raiders topped out at 55.867 after a playoff win against the Colts in 1977. (They then lost the AFC Championship to the pre-cheating Broncos.) They almost matched it in Week 4 of the 1984 season when they started out 4-0 after winning the Super Bowl. (The smaller spike in between those two bigger spikes was a Super Bowl win in 1980.)

In fact, from Week 8 of 1975 through Week 7 of 1987, the Raiders lived at a level above the highest level ever achieved in Chiefsland.

But is there some good news in this story? Yes.

While the Raiders had a very high index for many years, they gave it all away and more from the mid-80s through the mid-90s, riding a mind-boggling 50-point drop. In Week 15 of the 1997 season, a 30-0 drubbing by our very own Kansas City Chiefs put the Raiders' index in the red for the first time since Week 10 of the 1967 season.

The Raiders came up for air after they went under, peaking at an index of 19.091 the night before they encountered the buzz saw of Jon Gruden's Buccaneers in the 2002 season's Super Bowl.

From that point, it's been a journey to the center of the earth as they've list nearly 50 index points AGAIN. They dropped below zero in Week 14 of the 2004 season, and my oh my. They currently stand at -30.580, which is 6 points below the worst index ever recorded by the Chiefs.