This is my Friday column.
This is a pop quiz. Put away your notes, take out a piece of paper and a pen and answer the following question:
Which are the two most volatile and gut-wrenching coaching positions on any NFL staff?
If your answer includes the head coach, you’re wrong. The head coach might have the least volatile job on the staff. He makes millions of dollars, and his failures during a game typically are small and trivial. Like that timeout he wasted in the third quarter, or the challenge flag he should have thrown but didn’t.