[jdc65]

Yes, I agree that the 3-4 switch was a colossal mistake from the beginning. Too many resources were wasted trying to convert when defense wasn't the primary problem.

Switching back to a 4-3 shouldn't be too complicated, but the team now has to think about replacing the entire secondary and getting another linebacker or 2 to make it work.
The secondary is just a mess, so that has to be priority number 1 this offseason. They would also need to release Carriker to free up salary space as he would be the odd man out.

At this point, I would be fine with going to a 4-3 after the bye and letting Robinson and Riley play on the outside with Fletch in the middle. Alexander can also play, but he isn't really starting caliber for the long term. Fletch will need to be replaced next year in my opinion as he is rapidly slowing down due to age and wear-n-tear.

I do not however believe Shanahan will make the switch back because it will be an open admission of failure. I also don't believe he will replace Haslett until the season ends because I think he blames injuries and lack of quality personnel more than coaching.

Snyder will probably have to bring a hammer down to force a change, and Haslett and D.Smith will then take the fall. It's just too hard to reasonably fathom how bad this defense is after all the resources spent on it. Mind numbing really.