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King,
Another nice article.
I have got another minor correction for you, though.
You say:
The Chiefs are eighth in the league at 68 percent. The Raiders defense is 19th in the league in such situations, stopping the opposition 65 percent of the time.
For the Raider's statistic, it seems like you must mean "failing to stop the opposition 65 percent of the time" or something to that effect, since stopping the opposition 65% of the time would be phenomenal.