ESPN looks at all the rule changes the NFL made because the Steelers did us dirty

[hitchopottimus]

http://www.espn.com/blog/cincinnati-bengals/post/_/id/23824/how-has-bengals-steelers-physical-rivalry-changed-the-nfl

The headline acts like it's both teams and the rivalry as a whole, but EVERY example is a Steelers on Bengals action. Dirty SOBs.