Some interesting Stuff:
http://www.denverpost.com/sports/ci_16462805
http://www.denverpost.com/sports/ci_16462805
In the past 40 years, 31 coaches have been replaced before the end of the season.
Midseason changes rarely change fortunes on the field. The 31 interim coaches went a combined 26-86-2. Only one had a winning record: