When you think of the Pittsburgh Steelers, the National Football League franchise with the most Super Bowl Championships, you would almost automatically think that they would have the most, or close to the most retired numbers in the NFL. The reality is that they are not even close. Prior to this weekend, the only number retired was the number 70 of Ernie Stautner, which took place in 1964. This was not to say that the Steelers did not take care of their past stars, and they removed multiple numbers from their circulation, but this Sunday marks the first time that…