Getty: Denver Post / Contributor
The average tenure of an NFL Head Coach is only 3.2 years. There are only 32 Head Coach positions in the NFL. On average, about 6 to 7 jobs open up every year because coaches are fired. The pressure to WIN and win QUICKLY is immense. Let's take a little trip back in time almost 50 years and examine who was coaching in the NFL in 1975. I will provide to you the name of the coach. Your task is to determine which team the man was coaching at that time. Ready? Here we go !