Rex Ryan has certainly lost weight in the past few years. When he first got the head coaching job with the Jets, he was flat out huge; he had to be pushing 350 pounds.
In recent years, Rex has been able to slim down a good amount. However, he's still a pretty big guy and despite his gastric band surgery, Rex is still one of the NFL heavyweights when it comes to coaches. However, as we'll later see, he's not even the biggest coach in his own family.