... coaches have acquitted themselves very well, moving from initially hot seats to cool ones.

Some, however, have graduated to warmer climates as the season has gone on. As the good, consistent teams have started to emerge from the pack, others are showing up as disappointments and failures.

There's still a great deal of football left to be played, and there's time for all 32 teams to turn around their fortunes, but for some head coaches the clock is most certainly ticking.

Here are your Coach Power Rankings as we head into Week 4's action.

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