Jimmy Johnson

But I was always a bit of a gypsy, anyway. I spent five years at Oklahoma State, five years at Miami and moved on after winning the national championship, and five years with the Cowboys. So, I was ready to move on. We won back-to-back Super Bowls, and I felt that I accomplished what I wanted to accomplish.

There is a way to practice hard and be physical without pads. You can still be a physical football team and be efficient in practice without pads. The 49ers practiced like that for a long period of time in the 1980s under Bill Walsh and were extremely successful when all the other teams were practicing in pads.