Their nicknames were Mean Joe, Hollywood Bags, Fats Holmes and Mad Dog. And in the mid-1970’s, they were known as the Steel Curtain Four. The Steel Curtain Four referred to the four defensive tackles of the Pittsburgh Steelers – there was Joe Greene, L.C. Greenwood, Ernie Holmes and Dwight White. The team got their nickname from a 9th grader who had submitted the name “Steel … [Read more...] about NFL Open Thread: The Steel Curtain